Q: Is 402,477 a Prime Number?
A: No, 402,477 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 402477 can be evenly divided by 1 3 19 23 57 69 307 437 921 1,311 5,833 7,061 17,499 21,183 134,159 and 402,477, with no remainder.
Since 402,477 cannot be divided by just 1 and 402,477, it is not a prime number.