Since one dollar is one hundred pennies, the multiplication sentences for 100 would be the same in both cases.
All of the composite numbers less than 100 have factor pairs.
80 has 5 factor pairs.
80 has 5 factor pairs.
60, 72, 84, 90 and 96 have 6 factor pairs.
(1,100) (10,10)
100 and 7
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)
(1, 100) (2, 50) (4, 25) (5, 20) (10, 10)