Q: Is 725,143 a Prime Number?
A: No, 725,143 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 725143 can be evenly divided by 1 487 1,489 and 725,143, with no remainder.
Since 725,143 cannot be divided by just 1 and 725,143, it is not a prime number.