Are 1 and 0 prime numbers?

asked Feb 6, 2021 27.8k views

4 votes

by Nre

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3 votes

Primes are only positive integers so 0 is not a prime. 1 is also not a prime because it has only 1 possible divisor.

Jeff Cyr answered Feb 6, 2021

5.6k points

1 vote

0 and 1 are neither prime nor composite.

Elenst answered Feb 12, 2021

5.8k points

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