Q: Is 855,402 a Prime Number?
A: No, 855,402 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 855402 can be evenly divided by 1 2 3 6 142,567 285,134 427,701 and 855,402, with no remainder.
Since 855,402 cannot be divided by just 1 and 855,402, it is not a prime number.