Q: Is 722,620 a Prime Number?
A: No, 722,620 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 722620 can be evenly divided by 1 2 4 5 10 20 36,131 72,262 144,524 180,655 361,310 and 722,620, with no remainder.
Since 722,620 cannot be divided by just 1 and 722,620, it is not a prime number.