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

Q: Is 15 a prime or composite number?

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15 is a composite number. 11 is a prime number.

15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.15 is a composite number as it is divisible by 1, 3, 5 and 15.composite. 3*5=1515 is a composite number because it has more than 2 factors

A composite number is a number that has smaller factors (excluding 1). A prime number is one that doesn't (1 is not considered prime nor composite, because of its special role in multiplication).Since 15 is divisible by 3, it is composite.

31 and 61 are prime, the rest composite.

No, it's a composite number.15 is NOT a prime number.

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2 is a prime number and 15 is a composite number.

15 is composite.

15 is a composite number. 11 is a prime number.

47 is a prime, the other two are composite.

15 is a composite. Its factors are 1, 3, 5, and 15.

15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.15 is a composite number as it is divisible by 1, 3, 5 and 15.composite. 3*5=1515 is a composite number because it has more than 2 factors

A composite number is a number that has smaller factors (excluding 1). A prime number is one that doesn't (1 is not considered prime nor composite, because of its special role in multiplication).Since 15 is divisible by 3, it is composite.

1 is not composite or prime.

15 is a composite number - it is the product of 3 and 5. (3*5=15)

15 is composite number

No, 13 is a prime number and 15 is a composite number. A composite number is a positive integer that has more than two positive divisors.

There are 15 prime numbers and 34 composite numbers because 1 is not considered to be a prime or composite number