Factors are the numbers you multiple together to get another number. Factor pairs are the 2 numbers that you multiply together
1296: 1 x 1296, 2 x 648, 3 x 432, 4 x 324, 6 x 216, 8 x 162, 9 x 144, 12 x 108, 16 x 81, 18 x 72, 24 x 54, 27 x 48, 36 x 36
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2x2x2x2x3x3x3x3 or 24 x 34
48 answer for mathsbuddy
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)