Q: Is 311,900 a Prime Number?
A: No, 311,900 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 311900 can be evenly divided by 1 2 4 5 10 20 25 50 100 3,119 6,238 12,476 15,595 31,190 62,380 77,975 155,950 and 311,900, with no remainder.
Since 311,900 cannot be divided by just 1 and 311,900, it is not a prime number.