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Prime numbers have two (and only two) factors. 1 doesn't have enough factors and 6 has too many to be primes.

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โˆ™ 2016-09-16 15:05:17
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Q: Why are 1 and 6 not a prime number?
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5 is a prime number. The others are not.


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Either it is a prime or put m = n! Is that it?


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