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15 is not a Prime number because it is not only divisible by 1 and itself it is also divisible by 3.
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Prime number x prime number 15?
3*5 = 15 in prime numbers
Is 15 a prime number?
No, it's a composite number.15 is NOT a prime number.
Which is a composite number 15 or 11?
15 is a composite number. 11 is a prime number.
What is the prime factorization of the number 15?
The prime factorization of 15 is 3 x 5.
What number is relativly prime to 242?
15 is relatively prime.
Prime number x prime number 15?
3*5 = 15 in prime numbers
Is 15 a prime number of 45?
15 is a factor of 45, but it is not a prime number.
Is 2 and 15 prime or composite?
2 is a prime number and 15 is a composite number.
The number 3 and 5 are prime what of the the number 15?
3 and 5 are Prime Factors of 15 (3x5=15).
Are numbers 15 and 17 a prime number?
Number 17 is but 15 isn't as 5x3 isn't a prime number
Is 5 and 15 prime numbers?
5 is but 15 is not a prime number
Which is not a prime number 13 15 17 19?
3 x 5 = 15, so 15 is not a prime number.
Is 15 a prime number?
No, it's a composite number.15 is NOT a prime number.
What numbers are prime of the number 15?
The prime factors of 15 are: 3, 5
Which is a composite number 15 or 11?
15 is a composite number. 11 is a prime number.
Why isn't 15 a prime number?
A number is prime if it has only 1 and itself as factors. For example, 7 is a prime number because it has only 1 and 7 as factors. 15 isn't a prime number because it has 1, 3, 5, and 15 as factors.
Which number is a prime number 35 11 45 15?
11 is prime.
