How many primes are there in the number 45?

Anonymous

∙ 13y ago

Updated: 10/17/2024

This question is on my daughter's homework--Which shows 45 as a product of primes?

(A) 15 x 3 (B) 3 x 5 x 3 (C) 1 x 5 x 9 (D) 1 x 3 x 15

Please help

B. 3 and 5 are primes.

Reject:

A and D: 15 = 3*5 and so 15 is not prime.

C: 9 = 3*3 and so 9 is not a prime.

Wiki User

∙ 13y ago

What else can I help you with?

What is a product of primes for 45?

45 = 3 x 3 x 5

45 as a product of primes using exponents?

45 = 32 x 5

What number has the product of exactly three different prime numbers?

Since there are infinitely many primes, there are infinitely many numbers that are products of 3 primes.

What is the GCF of 45 54?

Factor both numbers into primes. Circle any common primes and multiply them/ 45=3x3x5 54=2x3x3x3 3x3=9 GCF

What is the product of primes dor 45?

45 = 3 x 3 x 5

How many primes begin with 9?

only one has and that is the number 3

Total number of primes from 1 to 100?

25 primes.

Are twin primes infinitive?

Yes, there are an infinite number of twin primes.

How many primes number begin with 8?

Believe it or not, the number of prime numbers beginning with 8 is infinite.

The larger number of the fourth of twin primes?

The larger number of the fourth set of twin primes is 19.

How do you use division by primes to find the prime factorization of 45?

45 15,3 5,3,3 3 x 3 x 5 = 45

How many Primes in Transformers are there?

there are 13 primes not 5.