Q: Is 476,478 a Prime Number?
A: No, 476,478 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 476478 can be evenly divided by 1 2 3 6 9 18 103 206 257 309 514 618 771 927 1,542 1,854 2,313 4,626 26,471 52,942 79,413 158,826 238,239 and 476,478, with no remainder.
Since 476,478 cannot be divided by just 1 and 476,478, it is not a prime number.