Q: Is 15 a prime number of 45?

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11 is prime.

No, 45 is not a prime number. It is a composite number. A prime number can only be divided by 1 and itself. 45 can also be divided by 3, 5, 9, and 15.

45 Is not a prime number because it has more than 2 factors. A prime number only has itself and 1 as a factor. The factors of 45 are: 1, 3, 5, 9, 15 and 45.

1, 3, 5, 9, 15, 45 Composite

73 is a prime number, but 45 is not a prime number.

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11 is prime.

No, 45 is not a prime number. It is a composite number. A prime number can only be divided by 1 and itself. 45 can also be divided by 3, 5, 9, and 15.

45 Is not a prime number because it has more than 2 factors. A prime number only has itself and 1 as a factor. The factors of 45 are: 1, 3, 5, 9, 15 and 45.

71 is prime 45 = 3 x 15 51 = 3 x 17

1, 3, 5, 9, 15, 45 Composite

The prime number after 45 is 47.

73 is a prime number, but 45 is not a prime number.

the prime number after 45 is 47

45 is NOT a prime number.

The greatest common factor of 45 and 75 is 15, because it is the highest number that will divide into 45 and 75 evenly.The prime factorization of 45 is 3*3*5The prime factorization of 75 is 3*5*5The common prime factors are 3*5 = 15, so that is the GCF.The GCF is 15.It is: 15

The Prime Factors of 45 are 1, 3, and 5. In order to find the prime factors of 45, you need to find the factors of 45. The factors are: 1, 3, 5, 9, 15, and 45. The prime factors of 45 are those that have only 1 and the number itself as factors, so they are 3 and 5. Some think 1 is also a prime number, but it's neither prime nor composite.

45 is a composite number because it has factors other than 1 and itself. The factors of 45 are 1, 3, 5, 9, 15, and 45.