Q: Is 21,348 a Prime Number?
A: No, 21,348 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 21348 can be evenly divided by 1 2 3 4 6 9 12 18 36 593 1,186 1,779 2,372 3,558 5,337 7,116 10,674 and 21,348, with no remainder.
Since 21,348 cannot be divided by just 1 and 21,348, it is not a prime number.