(48,1)(24,2)(16,3)(12,4)(8,6)
Prime numbers have one factor pair. Composite numbers have two or more pairs. (6,8) and (4,12) are two different factor pairs for 48.
1,2,3,4,6, 8,12,16,24 ,48
(12,1)(6,2)(4,3) (48,1)(24,2)(16,3)(12,4)(8,6)
The factor pairs of 80 are (80,1)(40,2)(20,4)(16,5)(10,8) None of them add up to 38. If that was -80, you could use 40 and -2.
86
The factor pairs for 38 are (1, 19) and (2, 38).
The greatest common factor of 38 and 48 is 2The GCF is 2.
(38,1)(19,2)
(38,1)(19,2)
1 and 38 2 and 19
1 and 38, 2 and 19
Five of them.
38 = 1*38, 2*19
5 of them.
4 pairs with 12 to make 48
The GCF is 2.