The factor pairs of 126 are 1 x 126, 2 x 63, 3 x 42, 6 x 21, 7 x 18, and 9 x 14
1,90,2,45,3,30,18,5,15,6 9,10
61
The factor pairs of 168 are the pairs of numbers that can be multiplied together to give the product 168. These pairs include (1, 168), (2, 84), (3, 56), (4, 42), (6, 28), (7, 24), (8, 21), and (12, 14). Factors are numbers that divide evenly into a given number, and in the case of 168, these factor pairs represent all the possible combinations of factors that multiply to 168.
The factors for 42 are 1,2,3,6,7,14,21,42.
Factor pairs of 42 are 1 x 42, 2 x 21, 3 x 14, and 6 x 7.
(21,1)(7,3) (42,1)(21,2)(14,3)(7,6) Since 21 is a factor of 42, all the factors of 21 will be included in the factor pairs of 42.
There are 4 factor pairs of 42.42 = 1 x 4242 = 2 x 2142 = 3 x 1442 = 6 x 7
1x40, 2x20, 4x10, 5x8 are all the factor pairs of 40.
The factor pairs of 20 are: 20,1 / 10,2 / 5,4
The factor pairs for 38 are (1, 19) and (2, 38).
Since two is a factor of all even numbers, it is a factor of 42.
The factor pairs of 210 are: 1 and 210 2 and 105 3 and 70 5 and 42 6 and 35 7 and 30 10 and 21 14 and 15
The Greatest Common Factor (GCF) is: 6
53,1
1,3,149,447
164,182,241,4