27, 57, 77, yes.
37, 47, 67, no.
Chat with our AI personalities
27, 57 and 77 are composite.
All of them except for 31, 37, 41, 43 and 47 which are prime numbers.
27, 57, 77, yes. The rest, no.
31 and 47 are prime, the rest composite.
37, 41, 43, 47