225 prime factors are 32 and 52
The prime factorization of 360 is 23 x 32 x 5.
1665 = 32*5*37
The prime factorization of 63 using exponents is 3 to the 2nd power and 7 (3*3*7=63)
You don't find the prime factorization by using exponents, they're just a shorthand for notation once you find it. The prime factorization of 900 is 22 x 32 x 52
25 = 32
25
32 = 25
The prime factorization of 252 using exponents is: 22 x 32 x 7
32 = 9
2^5
99 = 32*11
32 x 71
26 x 32
32 x 7
23 x 32
24 x 32