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A Prime number is only evenly divisible by 1 and itself. 9 is divisible by 1, 3 and 9 - therefore it is not a prime number.
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Earn +20 ptsQ: Why is 9 not a prime number?
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Why is number 9 a prime number?
Actually, 9 is NOT a prime number.
Is 9 even and a prime number?
No, 9 is not even and is not a prime number as it is divisible by 3.
Is 7 and 9 prime numbers?
7 is a prime number but 9 is a composite number
What number is not a prime numbers 3 5 7 9 11?
'9' is NOT a prime number, because is is a compound of 3 x 3 = 9
What is a prime number out of 9 6 5?
Out of 9, 6, and 5, five is the prime number.
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