Q: Is 21,352 a Prime Number?
A: No, 21,352 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 21352 can be evenly divided by 1 2 4 8 17 34 68 136 157 314 628 1,256 2,669 5,338 10,676 and 21,352, with no remainder.
Since 21,352 cannot be divided by just 1 and 21,352, it is not a prime number.