Q: Is 311,142 a Prime Number?
A: No, 311,142 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 311142 can be evenly divided by 1 2 3 6 13 26 39 78 3,989 7,978 11,967 23,934 51,857 103,714 155,571 and 311,142, with no remainder.
Since 311,142 cannot be divided by just 1 and 311,142, it is not a prime number.