Q: Is 722,528 a Prime Number?
A: No, 722,528 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 722528 can be evenly divided by 1 2 4 8 16 32 67 134 268 337 536 674 1,072 1,348 2,144 2,696 5,392 10,784 22,579 45,158 90,316 180,632 361,264 and 722,528, with no remainder.
Since 722,528 cannot be divided by just 1 and 722,528, it is not a prime number.