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179
10 and 14 5 and 28 4 and 35 2 and 70
-117
280
These pairs of numbers, when multiplied, equal 420: (1, 420) (2, 210) (3, 140) (4, 105) (5, 84) (6, 70) (7, 60) (10, 42) (12, 35) (14, 30) (15, 28) (20, 21)
14 times 10
4760
There are infinitely many pairs. The simplest is 1 and 140.
2 x 2 x 5 x 7 = 140
140 + 20 + 6 = 166.
Well honey, 140 multiplied by 12 is 1680. Simple math, not rocket science. Hope that helps, sweetheart.
1 x140 2 x 79 4 x 35 5 x 28 10 x 14