Q: Is 21,026 a Prime Number?
A: No, 21,026 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 21026 can be evenly divided by 1 2 10,513 and 21,026, with no remainder.
Since 21,026 cannot be divided by just 1 and 21,026, it is not a prime number.