Q: Is 402,831 a Prime Number?
A: No, 402,831 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 402831 can be evenly divided by 1 3 9 11 13 33 39 99 117 143 313 429 939 1,287 2,817 3,443 4,069 10,329 12,207 30,987 36,621 44,759 134,277 and 402,831, with no remainder.
Since 402,831 cannot be divided by just 1 and 402,831, it is not a prime number.