Q: Are 31 and 51 prime numbers?

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39 = 3 x 13 49 = 7 x 7 51 = 3 x 17 43 is prime 31 is prime

51 is not a prime number: 3x17=51

31 is a prime number.

No two prime numbers satisfy that request.

31

Related questions

17, 31 and 23 are.

51 is composite. 51 = 3 x 17. The other three numbers are prime numbers.

39 = 3 x 13 49 = 7 x 7 51 = 3 x 17 43 is prime 31 is prime

Prime numbers between 30 and 45 are 31, 37, 41 and 43.

The prime numbers from 1 to 51 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, and 47.

51 is not a prime number: 3x17=51

31 is a prime number.

No two prime numbers satisfy that request.

There are ten prime numbers between 51-100.

The prime numbers between 51 and 60 are 53 and 59.

31

31