23, 29 and 31 are prime. The rest are composite.
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
23, 29 and 31 are prime, the rest are composite.
Both are prime numbers
They are prime numbers.
23 and 29.
They are all prime numbers except for 15 21 25 and 27 which are composite 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.
23 and 29
23 and 29
29 is prime. 36 and 87 are composite.
667 is composite. Its factors are 1, 23, 29, and 667.