420
76 times 6 is equal to 456. This can be calculated by multiplying 76 by 6 using the standard multiplication method. To do this, you multiply the units digit of 76 (6) by 6 to get 36, and then carry over the 3 to the tens place, resulting in 456.
Factors of 490: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490.Factors of 420: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420.GCF (490, 420) = 70