Q: Is 4,213,431 a Prime Number?
A: No, 4,213,431 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 4213431 can be evenly divided by 1 3 9 27 113 339 1,017 1,381 3,051 4,143 12,429 37,287 156,053 468,159 1,404,477 and 4,213,431, with no remainder.
Since 4,213,431 cannot be divided by just 1 and 4,213,431, it is not a prime number.