Q: Is 722,216 a Prime Number?
A: No, 722,216 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 722216 can be evenly divided by 1 2 4 8 11 22 29 44 58 88 116 232 283 319 566 638 1,132 1,276 2,264 2,552 3,113 6,226 8,207 12,452 16,414 24,904 32,828 65,656 90,277 180,554 361,108 and 722,216, with no remainder.
Since 722,216 cannot be divided by just 1 and 722,216, it is not a prime number.