They can go into 63 and all its multiples.
The lowest common multiple of 3, 9 and 7 is 63
multiples of 63
It Is: 63
9 goes to 27= 3 times9 * 3 = 27
7 can go into 66 9 times with the remainder of three. 7 x 9 = 63 remainder 3
63 and its multiples
9 R 3
8 times with a remainder of 1
9 go into 63 7 times
only 1 and 7 can go into 7 evenly.. but 9 and 3 go into 27 evenly
7 r.3/ remainder of 3
The factors of 7 are 1 and 7. The factors of 9 are 1,3,and 9. The factors of 6 are 1,2,3,and,6.This was by a 10 year old.