Because 5 and 13 divide evenly into 715 with no remainder.
The 8 factors of 715 are 1, 5, 11, 13, 55, 65, 143, and 715. The prime factors of 715 are 5, 11, and 13.
The factors of 715 are: 1, 5, 11, 13, 55, 65, 143, 715.
1, 5, 11, 13, 55, 65, 143, 715
1, 5, 11, 13, 55, 65, 143, 715
5 x 11 x 13 = 715
715 = 5 x 11 x 13
Pairs of positive integer factors of 715 are: 1 x 715 = 715 5 x 143 = 715 11 x 65 = 715 13 x 55 = 715 And their reverses.
5,11 and 13
5 * 11 * 13 = 715
715 = 5 x 11 x 13
5 x 11 x 13 = 715
5 x 11 x 13 = 715