The factor pairs of 416 are 1 x 416, 2 x 208, 4 x 104, 8 x 52, 13 x 32, and 16 x 26
The factor pairs of 260 are (260,1), (130,2), (65,4), (52,5), (26,10), and (20,13)
The factor pairs of 51 are (1,51) and (17,3)
The difference is between factor pairs and distinct factors. With square numbers, one of the factor pairs will be the same number twice. When listing the distinct factors, that number is only listed once.
The factor pairs of 26 are 1 x 26 and 2 x 13.
The factor pairs of 26 are: 1 × 26 2 × 13
The factor pairs of 39 are 1 x 39 and 3 x 13
There are 2 factor pairs of 65.65 = 1 x 6565 = 5 x 13
1 and 13. It is a prime number, so those are its only factor.
There are 2 factor pairs of 26.26 = 1 x 2626 = 2 x 13
The factor pairs of 117 are 1 x 117, 3 x 39, and 9 x 13.
Two pairs: 1 and 26 2 and 13
1 and 13
(13,1) (26,1)(13,2)
All the factor pairs for 39 are:1 x 39and 3 x 13
1 and 39 3 and 13
Factors are numbers you can multiply together to get another number. The factor pairs are: (1, 52) (2, 26) (4, 13)