100 = 1 x 100
100 = 2 x 50
100 = 4 x 25
100 = 5 x 20
100 = 10 x 10
All of the composite numbers less than 100 have factor pairs.
80 has 5 factor pairs.
(100,1)(50,2)(25,4)(20,5)(10,10)
1 and 500, 2 and 250, 4 and 125, 5 and 100, 10 and 50, 20 and 25, a total of 6 factor pairs.
60, 72, 84, 90 and 96 have 6 factor pairs.
80 has 5 factor pairs.
(1,100) (10,10)
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
100 and 7
Since one dollar is one hundred pennies, the multiplication sentences for 100 would be the same in both cases.
The factor pairs for 38 are (1, 19) and (2, 38).
The factor pairs of 26 are: 1 × 26 2 × 13