Q: Is 21,496 a Prime Number?
A: No, 21,496 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 21496 can be evenly divided by 1 2 4 8 2,687 5,374 10,748 and 21,496, with no remainder.
Since 21,496 cannot be divided by just 1 and 21,496, it is not a prime number.