2 x 6
3 x 4
2 x 2 x 3
The factor strings for 12 is 6*2 , 2*2*3, 4*3 if you are doing a chart than you put the length is how long the problem.
2*6,4*3
Multiplication sentences. 2 x 6 3 x 4 2 x 2 x 3 are factor strings of 12
2 x 2 x 3 = 12
Factor strings are multiplication sentences. 3 x 3 is a factor string for 9.
12 x 1 6 x 2 4 x 3 2 x 2 x 3
Any multiplication sentence can be a factor string. Factor strings for 12: 3 x 4 2 x 6 2 x 2 x 3
12 x 1 6 x 2 4 x 3 2 x 2 x 3
2 x 6 3 x 4 2 x 2 x 3
3 3 11
The longest factor string for 9 is 3 x 3.
If I may use an English analogy, factors are like letters and factor strings are like sentences. Factors are numbers that can be multiplied together to create products. Factor strings are factors multiplied together. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24 Factor strings for 24 include 2 x 12, 3 x 8, 4 x 6, 2 x 2 x 6, 2 x 3 x 4 and 2 x 2 x 2 x 3