Q: Is 57,431 a Prime Number?
A: No, 57,431 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 57431 can be evenly divided by 1 11 23 227 253 2,497 5,221 and 57,431, with no remainder.
Since 57,431 cannot be divided by just 1 and 57,431, it is not a prime number.