Prime factorization of 99 = 3 * 3 * 11
3 x 3 x 3 x 5 = 135
3 x 5 x 5 = 75
315
As a product of its prime factors: 2*3*5 = 30
84
-25
28/ 42 ; Multiply 7 on both and get 4/6 ; multiply both numbers by 2 and you get 2/3
84
135
The numbers are: -5 and 3
111 = 3*37
1, 3, 13, 39.
135
513
-5 and +3
The three prime numbers which multiply to make 231 are 3 x 7 x 11.