Q: Is 311,380 a Prime Number?
A: No, 311,380 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 311380 can be evenly divided by 1 2 4 5 10 20 15,569 31,138 62,276 77,845 155,690 and 311,380, with no remainder.
Since 311,380 cannot be divided by just 1 and 311,380, it is not a prime number.