1 x 100
2 x 50
4 x 25
5 x 20
10 x 10
All of the composite numbers less than 100 have factor pairs.
80 has 5 factor pairs.
60, 72, 84, 90 and 96 have 6 factor pairs.
80 has 5 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.
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.
There is no order to factor pairs: you can present them in any order that you like.
100 and 1.01 is one possible answer.
1 and 500, 2 and 250, 4 and 125, 5 and 100, 10 and 50, 20 and 25, a total of 6 factor pairs.
(100,1)(50,2)(25,4)(20,5)(10,10)