Both are prime numbers
23, 29 and 31 are prime, the rest are composite.
They are both prime numbers.
No, it is composite as 667 = 23 x 29
If you mean: 23 25 and 29 then 23 and 29 are prime numbers while 25 is composite.
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
667 is composite. Its factors are 1, 23, 29, and 667.
29 is prime. 36 and 87 are composite.
23 is prime, 66 is composite.
23, 29 and 31 are prime. The rest are composite.
29, 61, 23, 97, 41, and 67 are prime. 81, 51, 93, 77, and 39 are composite.
Prime
All of them except for 23 and 29 which are prime numbers.