2 x 25
5 x 10
2 x 5 x 5
2 x 5 x 5 = 50
What are the factor strings of 120
2*6,4*3
3 x 41 = 123
Factor strings are multiplication sentences. 3 x 3 is a factor string for 9.
23 is prime. No strings.
41 is prime. No strings.
2 x 25 5 x 10 2 x 5 x 5
2 x 2 x 13 = 52
2 x 2 x 11 = 44
The longest factor string for 45 is 3 x 3 x 5
2 x 3 x 5 is a factor string of 30.2 x 3 x 7 is a factor string of 42.