 # What number has exactly 5 factors?

## What number has exactly 5 factors?

Explanation: The only two numbers in the range [1, 100] having exactly 5 prime factors are 16 and 81. Factors of 16 are {1, 2, 4, 8, 16}. Factors of 8 are {1, 3, 9, 27, 81}.

## What are the 5 factors of 20?

Hence, the factors of 20 are 1, 2, 4, 5, 10, and 20. Important Notes: Factors of a number are all the possible numbers it is divisible by.

## What are all the factors of 5?

5 is a prime number. Therefore, it can have only two factors, i.e., 1 and the number itself. The factors of 5 are 1 and 5.

## What is a composite number with 5 factors?

2 is prime. Example 2: Is the number 9 prime or composite? Solution: The factors of 9 are 1 x 9, 3 x 3….Definitions.factors of 2:1 x 22 is primefactors of 4:1 x 4, 2 x 24 is compositefactors of 5:1 x 55 is primefactors of 6:1 x 6, 2 x 36 is compositefactors of 7:1 x 77 is prime

## Is 20 a factor of 5 yes or no?

These factors are 1,2,4,5,10 and 20. Factor pairs of the number, that results in the original number when multiplied together. To find the factors of a number, 20, we will use the factorization method….Pair Factors of 20.Positive Factor of 20Positive Pair Factors of 204 × 5(4, 5)

## Which of the following are the factors of 20 such that their sum is 1?

The factors of 20 are the numbers, which produce the result as 20 when a pair of factors are multiplied together. These factors are 1,2,4,5,10 and 20.

## How many factors are there in 1?

1 is the only number that is neither prime nor composite. 1 is the only factor of 1. 1 is the only number that has only 1 factor….Sum of Factors of 1: 1.1.What Are the Factors of 1?5.Factors of 1 in Pairs6.FAQs on Factors of 1

## What are all the multiples of 20?

The multiples of 20 are 20, 40, 60, 80, 100, 120, 140 and so on.

## What are the composite numbers from 1 to 20?

The composite numbers from 1 to 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, and 20. We will use the definition of prime numbers and composite numbers to answer this question. Explanation: A prime number is a number that has only two factors, 1 and the number itself.

## What is the smallest number with 5 factors?

2310Answer: The smallest composite number that has the five smallest prime numbers as factors is 2310.

## What number under 20 has exactly 5 factors?

The answer is 16.

## How many prime numbers are there between 1 and 20?

Correct answer: The prime numbers between 1 and 20 inclusive are 2, 3, 5, 7, 11, 13, 17, 19 – eight total. Since 1 is neither prime nor composite, this leaves 11 composite numbers.

## What is the factor of 1 to 20?

Table of Factors and MultiplesFactorsMultiples1, 2, 3, 6, 9, 1818361, 1919381, 2, 4, 5, 10, 2020401, 3, 7, 212142

## Whats a number between 0 and 20 that has 2 factors?

{6,10,14,15} are all the natural numbers ≤20 that have two and only two factors greater than 1.

## What are the factors of 20 *?

Factors of 20: 1, 2, 4, 5, 10 and 20.

## Which Cannot be a factor of 20?

In order not to be a factor of 20!, a number must no be between 1 and 20 and it cannot be computed as the product of numbers contained in 20!. Ths means that 29, which is prime and greater than 20 and 121 which is 11*11 and in 20! we have just one 11 are not factors of 20! Answers D and H.

## How many factors does 20 have?

The factors of 20 are 1, 2, 4, 5, 10 and 20.

## Which of these are not factor of 20?

In order not to be a factor of 20!, a number must no be between 1 and 20 and it cannot be computed as the product of numbers contained in 20!. Ths means that 29, which is prime and greater than 20 and 121 which is 11*11 and in 20! we have just one 11 are not factors of 20! Answers D and H.

## What are the composite numbers between 5 and 20?

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81,82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100.

## What are the prime numbers between 1 and 20?

What are the prime numbers? There are 8 prime numbers under 20: 2, 3, 5, 7, 11, 13, 17 and 19. The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

## Which number is the factor of 1?

The number 1 has only one factor which is 1 itself.

## What are the factors between 1 and 20?

Table of Factors and MultiplesFactorsMultiples1, 2, 3, 6, 9, 18181261, 19191331, 2, 4, 5, 10, 20201401, 3, 7, 2121147

## How many even numbers are there between 1 to 20?

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 are even numbers. Odd numbers always end with a digit of 1, 3, 5, 7, or 9.

## What is the 20th multiple of 5?

First 20 Multiples of 5ProductMultiples5 × 17855 × 18905 × 19955 × 20100

## How do we call a number having 1 and itself as factors?

A prime number is a counting number greater than 1 whose only factors are 1 and itself. A composite number is a counting number that is not prime.

## Is the smallest number that has 5 Factors How many factors does n 1 have?

A number that has 5 factors has to be of the form x^4 where ‘x’ is a prime number. Therefore, N − 1 = 15. The factors of 15 are 1,3,5,15. So, N – 1 has 4 factors.

## What are the first 5 multiples of 20?

The first five multiples of 20 are 20, 40, 60, 80 and 100.

## How do you find the factor of 20?

20 = 1 x 20, 2 x 10, or 4 x 5. Factors of 20: 1, 2, 4, 5, 10, 20. Prime factorization: 20 = 2 x 2 x 5, which can also be written 20 = 2² x 5. When 20 is a clue in the FIND THE FACTORS puzzles, use either 4 x 5 or 2 x 10.

## What do you call a number which has factors 1 and the number itself?

A prime number is a counting number greater than 1 whose only factors are 1 and itself. A composite number is a counting number that is not prime.

## What’s the multiples of 5?

The first five multiples of 5 are 5, 10, 15, 20, and 25.

## What are the composite numbers between 1 and 20?

The composite numbers from 1 to 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, and 20. We will use the definition of prime numbers and composite numbers to answer this question.

## Why is 1 a factor of every number?

As we know Factors are all the numbers that divide a number completely, i.e., without leaving any remainder, are called factors of that number. From the above data, we observe that 1 is the greatest factor of itself and the smallest factor of any other number. Therefore, 1 is the factor of every number.

## Is 1 a factor of every number Yes or no?

We know that a number multiplied by 1 is the number itself. So, 1 is a factor of every number.

## What are the odd numbers from 1 to 20?

The odd numbers from 1 to 100 are: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99.

## Is 5 an even number?

5 is an odd number. The number which is divisible by 2 , is known as even number and the number which is not divisible by 2 is known as odd number.

## Is 1 counted as a factor?

The factors of a number include the number, itself, and 1. Prime numbers have two factors, themselves and 1, but those are the trivial factors that every number has. Because they cannot be factored in any other way, we say that they cannot be factored.

## How many factors does n 1 have?

So, N – 1 has 4 factors.