It is: 3*3*5 = 45 or as 32*5 = 45
13 & 5
5 x 17 = 85
91 = 7 x 13
The prime factorization for 125 is: 5 x 5 x 5
24 x 32 x 5
100 = 2*2*5*5
the prime facotrization of 154 is 12 times 3 times 5
2 x 2 x 3 x 11 = 132
2 x 2 x 2 x 3 x 3 x 3
45 is NOT a prime number.
The prime number after 45 is 47.
73 is a prime number, but 45 is not a prime number.