Q: Is 402,749 a Prime Number?
A: No, 402,749 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 402749 can be evenly divided by 1 487 827 and 402,749, with no remainder.
Since 402,749 cannot be divided by just 1 and 402,749, it is not a prime number.