Q: Is 21,889 a Prime Number?
A: No, 21,889 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 21889 can be evenly divided by 1 7 53 59 371 413 3,127 and 21,889, with no remainder.
Since 21,889 cannot be divided by just 1 and 21,889, it is not a prime number.