2 x 19 = 38
3 x 3 x 3 x 3 = 81
Chat with our AI personalities
1 is the greatest and only common factor of 15 and 38. The prime factorization of 15 is 3*5. The prime factorization of 38 is 2*19
The prime factorization of 81 is 3 * 3 * 3 * 3 or 3^4 The prime factorization for 81 is 3 times 3 times 3 times 3
The greatest common factor of 38 and 57 is 19. The prime factorization of 38 is 2*19 The prime factorization of 57 is 3*19 So the GCF is 19.
Prime FACTORIZATION of 81: 3^4
81 is not prime. Its prime factorization is 3x3x3x3.