43 is prime;
39 is composite.
Chat with our AI personalities
It is 39 because it has more than two factors
49 is.
39 is a Composite Number.
39 is composite because its factors are:1x393x13(1, 3, 13, 39)39 is a composite number because it has other factors aside from 1 and itself.The other factors of 39 are 3 and 13.
39 is composite