Q: Is 726,420 a Prime Number?
A: No, 726,420 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 726420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 12,107 24,214 36,321 48,428 60,535 72,642 121,070 145,284 181,605 242,140 363,210 and 726,420, with no remainder.
Since 726,420 cannot be divided by just 1 and 726,420, it is not a prime number.