Table of Contents

## How do you write a number as a product of prime numbers?

Writing a Product of Prime Factors When a composite number is written as a product of all of its prime factors, we have the prime factorization of the number. For example, we can write the number 72 as a product of prime factors: 72 = 2 3 ⋅ 3 2 . The expression 2 3 ⋅ 3 2 is said to be the prime factorization of 72.

## Why is 45 a prime number?

The number 45 is divisible by 1, 3, 5, 9, 15, 45. For a number to be classified as a prime number, it should have exactly two factors. Since 45 has more than two factors, i.e. 1, 3, 5, 9, 15, 45, it is not a prime number.

**What is the greatest factor of 45?**

So, the factors of 45 are 1, 3, 5, 9, 15 and 45.

- Common Factors.
- Prime Numbers.
- Highest Common Factor.

**What is the smallest prime number?**

2

2 is the smallest prime number. It also the only even prime number – all other even numbers can be divided by themselves, 1 and 2 at least, meaning they will have at least 3 factors.

### What is 99 as a product of primes?

Solution: Prime factors of 99 are 3 and 11. The product of all the prime factors of the number 99 is 33.

### What is the nearest prime number to 45?

List of Prime Numbers

Sequence | Prime Number |
---|---|

43 | 191 |

44 | 193 |

45 | 197 |

46 | 199 |

**What gives you 45?**

All the factors of 45 are 1, 3, 5, 9, 15, and 45.

**What can go into 45?**

## What is the HCF of 15 and 45?

Therefore, the greatest common factor of 15 and 45 is 15.

## How to write 45 as a product of prime factors?

Simply find out the factors of 45 which will be 9*5 but since 9 is not a prime number so nine can be written as product of 3 and 3 that is 3*3. Therefore 45 can be written in prime factors as 3*3*5. Originally Answered: How do you write 45 as a product of prime factors?

**How to write numbers as a product of their prime numbers?**

Writing numbers as a Product of their Prime Numbers. Prime Factors of a given Number. We are to write 60 as a product of its Prime Factors. “Product” means to multiply, and we are going to break this down until we have its Prime Factors.

**Can you write 108 as a product of its prime numbers?**

(2, 2, 3, 3, 3, they are highlighted as they are Prime Numbers.) We don’t need to break this down any further; NOW we can rewrite the 108 as a Product of its Prime Factors in numerical order. 4 x 72 they are not Prime Numbers.

### What makes 36 a product of prime factors?

The prime factors of a number are the factors which are also prime numbers. In the case of 36, 2 and 3 are its prime factors. To write 36 as a product of its prime factors, we need a combination of 2 and 3 that we can multiply together to make 36. In this case it’s: