Q: Is 725,720 a Prime Number?
A: No, 725,720 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 725720 can be evenly divided by 1 2 4 5 8 10 20 40 18,143 36,286 72,572 90,715 145,144 181,430 362,860 and 725,720, with no remainder.
Since 725,720 cannot be divided by just 1 and 725,720, it is not a prime number.