Q: Is 311,420 a Prime Number?
A: No, 311,420 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 311420 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 677 1,354 2,708 3,385 6,770 13,540 15,571 31,142 62,284 77,855 155,710 and 311,420, with no remainder.
Since 311,420 cannot be divided by just 1 and 311,420, it is not a prime number.