Q: Is 407,631 a Prime Number?
A: No, 407,631 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 407631 can be evenly divided by 1 3 7 21 47 49 59 141 147 177 329 413 987 1,239 2,303 2,773 2,891 6,909 8,319 8,673 19,411 58,233 135,877 and 407,631, with no remainder.
Since 407,631 cannot be divided by just 1 and 407,631, it is not a prime number.