Use a factor tree.
304
152,2
76,2,2
38,2,2,2
19,2,2,2,2
13 is a prime number. The only prime factor of a prime number is the number itself.
(304) = 2 * (152) = 2 * (76) = 2 * (38) = 2 * 19so prime factors of 304 are 2,2,2,2 and 19
You cannot "solve" a single number!
304 is.
It is 304.It is 304.It is 304.It is 304.
304 is not prime. 304 = 2 * 2 * 2 * 2 * 19
152
The prime factorization of 304= 19*2*2*2*2
List the factors. Erase 1 and the prime factors.
304 ÷ 2 = 152, which is even, so 152 is the largest even factor (not equal to 304)
The GCF is 304.
152