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Earn +20 ptsQ: Explain why 15 not a prime number?
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Is 15 a prime number of 45?
15 is a factor of 45, but it is not a prime number.
Explain what a prime number is?
A prime number has no factors except itself and 1.
Is 2 and 15 prime or composite?
2 is a prime number and 15 is a composite number.
Explain why 8 is a prime number?
8 is NOT a prime number. It is divisible by 2, for example.
The number 3 and 5 are prime what of the the number 15?
3 and 5 are Prime Factors of 15 (3x5=15).
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