1, 2, 4.
the numbers that can go into 28 are 1,2,4,7,14 and 28.
Well 2 and 4 both go in evenly.
1,2,4,7,14, and 28.
The perfect numbers less than 100 are 6 and 28.
There are two perfect numbers, 6 and 28, that are less than 100.
28 + 72 = 100
6 and 28
The only common factors of 28 and 100 are 2, 4.
6 and 28
6
2,4,7
The three numbers are 8, 9 and 10. 8 x 9 = 72 102 = 100 100 - 72 = 28