280
They are: 4*5*7 = 140
How about: 4*5*7 = 140
70*2
-144
140
There are infinitely many pairs. The simplest is 1 and 140.
-171
2840
There are five ways to get to 140: 70 and 2, 14 and 10, 28 and 5, 35 and 4, and 20 and 7.
2 x 70 4 x 35 7 x 20 10 x 14 and 1 x 140
10 times 14 or 14 times 10 = 14020 times 7 or 7 times 20 = 14028 times 5 or 5 times 28 =140.70 times 2 or 2 times 70 =140.