Q: Is 431,379 a Prime Number?
A: No, 431,379 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 431379 can be evenly divided by 1 3 9 13 27 39 117 351 1,229 3,687 11,061 15,977 33,183 47,931 143,793 and 431,379, with no remainder.
Since 431,379 cannot be divided by just 1 and 431,379, it is not a prime number.