Factor pairs refer to integers, not decimals.
The factor pairs of 57 are 3x19 and 1x57
The factor pairs of 343 are (343,1) and (49,7)
20 has 3 factor pairs. Pairs are (1,20), (2,10) and (9,9)
The factor pairs of 12 are (12,1), (6,2), and (4,3) The factor pairs of 18 are (18,1), (9,2), and (6,3)
(39,1)(13,3)
1 and 39 3 and 13
All the factor pairs for 39 are:1 x 39and 3 x 13
The factor pairs of 117 are 1 x 117, 3 x 39, and 9 x 13.
(39,1)(13,3)
(1, 78) (2, 39) (3, 26) (6, 13)
1 and 78 2 and 39 3 and 26 6 and 13
Each of these factor pairs (multiply the numbers in parentheses) equals 1,521: (1, 1521) (3, 507) (9, 169) (13, 117) (39, 39)
Yes. Factor pairs are always repeated across pairs since factor pairs are certain kinds of pairs.
There are 6 factor pairs of 819:819 = 1 x 819819 = 3 x 273819 = 7 x 117819 = 9 x 91819 = 13 x 63819 = 21 x 39
the factor pairs are 1x35 & 5x7
The factor pairs of 28 are :28,114,27,4