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Q: Why is 31 not a prime number?

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31 is a prime number. Its only prime factor is 31.

31 is a prime number.

31 is a prime number. Its only prime factor is 31.

It is prime.

21 is composite number that is a multiple of 3. 31 is a prime number.

Related questions

31 is a prime number.

31 is a prime number

31 is already a prime number.

31 is a Prime Number.

31 is prime.

31 is a prime number. Its only prime factor is 31.

31 is a prime number.

Just 31. 31 is a prime number.

31 is prime.

31 is a prime number.

31 is prime.

The next prime number after 31 is 37

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