All of the composite numbers less than 100 have factor pairs.
7
Split 100 into factor pairs. So we have: 100 x 1 50 x 2 25 x 4 20 x 5 10 x 10
Pick any two consecutive numbers in that range.
5 and 25
All of the composite numbers less than 100 have factor pairs.
7
80 has 5 factor pairs.
60, 72, 84, 90 and 96 have 6 factor pairs.
(1,100) (10,10)
100 and 7
Since one dollar is one hundred pennies, the multiplication sentences for 100 would be the same in both cases.
Split 100 into factor pairs. So we have: 100 x 1 50 x 2 25 x 4 20 x 5 10 x 10
1 The factor pairs of 100 are 1 and 100, 2 and 50, 4 and 25, 5 and 20, and 10 and 10. The factor pairs of 49 are 1 and 49, and 7 and 7. Since the only factor they share is 1, 1 is their greatest common factor.
Pick any two consecutive numbers in that range.
3,5 5,7 11,13 17,19 29,31 41,43 59,61 71,73
Pick any two consecutive numbers in that range.