There are two factor pairs of 21: 21 = 1 x 21 21 = 3 x 7
Twenty only has three factor pairs. (20,1)(10,2)(5,4)
1 and 24 2 and 12 3 and 8 4 and 6
Yes. Factor pairs are always repeated across pairs since factor pairs are certain kinds of pairs.
The largest common factor is 19
the factor pairs are 1x35 & 5x7
The factor pairs of 28 are :28,114,27,4
Sixteen factor pairs.
Factor pairs refer to integers, not decimals.
The factor pairs of 57 are 3x19 and 1x57
The factor pairs of 27 are 1x27 and 3x9.
Mathematicians call them "factor pairs."