Q: Is 311,248 a Prime Number?
A: No, 311,248 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 311248 can be evenly divided by 1 2 4 7 8 14 16 28 49 56 98 112 196 392 397 784 794 1,588 2,779 3,176 5,558 6,352 11,116 19,453 22,232 38,906 44,464 77,812 155,624 and 311,248, with no remainder.
Since 311,248 cannot be divided by just 1 and 311,248, it is not a prime number.