Q: Is 21,234 a Prime Number?
A: No, 21,234 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 21234 can be evenly divided by 1 2 3 6 3,539 7,078 10,617 and 21,234, with no remainder.
Since 21,234 cannot be divided by just 1 and 21,234, it is not a prime number.