392 = 2 x 2 x 2 x 7 x 7 OR 2^3 x 7^2
As a product of its prime factors: 3*5*23 = 345
No. Any number ending in 5 is a multiple of 5.
35 can be a factor, but it is not prime.
81 is not prime. Its prime factorization is 3x3x3x3.
The prime factorization of 345 is 3 x 5 x 23 The exponential number of each prime factor is 1.
392 = 2 x 2 x 2 x 7 x 7 OR 2^3 x 7^2
The prime factorization of 345 is: 5 x 7 x 7
345/\3 115/\5 23
3 x 5 x 23 = 345
3 x 5 x 23 = 345
Composite
As a product of its prime factors: 3*5*23 = 345
3 x 5 x 23 = 345
347
345 is a composite number because it has more than two factors
Prime factors of 90 are 2 x 3 x 3 x 5Prime factors of 345 are 3 x 23 x 5The prime factors common to 90 and 345 are 3 x 5, so 15 is the gcf of 90 and 345.