(21,-1)(7,-3)(-21,1)(-7,3)
The factor pairs of 21 are:1, 213, 7Therefore, the number 21 has two pairs of positive integer factors.
21,17,3
(21,1)(7,3)
1, -1, 3, -3, 7, -7, 21, -21
Factor pairs of 84 are: 2 x 42, 3 x 28, 4 x 21, 6 x 84, 7 x 12
The factor pairs of 21 are:1, 213, 7Therefore, the number 21 has two pairs of positive integer factors.
-21 and 1 -7 and 3 -3 and 7 -1 and 21
There are two factor pairs of 21: 21 = 1 x 21 21 = 3 x 7
The factor pairs of 26 are the pairs of numbers that, when multiplied together, equal 26. The factor pairs of 26 are (1, 26) and (2, 13). These pairs represent the integer factors of 26.
1 and 17
Aside from itself (21), the highest integer factor of 21 is 7.
Factors of 21 are 1, 3, 7, and 21; the factor pairs are (1 x 21) and (3 x 7).
1 & 21, and 3 & 7
(1, 21) (3, 7)
1 and 21, 3 and 7,
1,21 3,7
21,17,3