Q: Is 722,745 a Prime Number?
A: No, 722,745 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 722745 can be evenly divided by 1 3 5 9 15 45 16,061 48,183 80,305 144,549 240,915 and 722,745, with no remainder.
Since 722,745 cannot be divided by just 1 and 722,745, it is not a prime number.