Q: Is 402,567 a Prime Number?
A: No, 402,567 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 402567 can be evenly divided by 1 3 11 33 121 363 1,109 3,327 12,199 36,597 134,189 and 402,567, with no remainder.
Since 402,567 cannot be divided by just 1 and 402,567, it is not a prime number.