Q: Is 722,140 a Prime Number?
A: No, 722,140 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 722140 can be evenly divided by 1 2 4 5 10 20 36,107 72,214 144,428 180,535 361,070 and 722,140, with no remainder.
Since 722,140 cannot be divided by just 1 and 722,140, it is not a prime number.