Q: Is 311,960 a Prime Number?
A: No, 311,960 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 311960 can be evenly divided by 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 709 1,418 2,836 3,545 5,672 7,090 7,799 14,180 15,598 28,360 31,196 38,995 62,392 77,990 155,980 and 311,960, with no remainder.
Since 311,960 cannot be divided by just 1 and 311,960, it is not a prime number.