Q: Is 21,346 a Prime Number?
A: No, 21,346 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 21346 can be evenly divided by 1 2 13 26 821 1,642 10,673 and 21,346, with no remainder.
Since 21,346 cannot be divided by just 1 and 21,346, it is not a prime number.