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Earn +20 ptsQ: Why isn't 51 a prime number?
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What are the prime numbers in 23 32 9 1851 37 and 79?
23, 37, 79 and 51 (assuming 1851 is a typo, 18 isnt a prime) if not a typo 1851 isnt a prime number anyway, it divides by 3
Which of these numbers are prime number 51 51 61 49?
61 is a prime number. 49 is not a prime number as it is divisible by 7. 51 is not a prime number as it is divisible by 3.
Which is not a prime number 17 23 31 or 51?
51 is not a prime number: 3x17=51
Is 47 a prime number or 51 a prime number?
47, yes. 51, no.
Is the number 51 a prime number?
No, it is not a prime number. It has factors of: 1, 3, 17, 51.
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