Q: Is 21,895 a Prime Number?
A: No, 21,895 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 21895 can be evenly divided by 1 5 29 145 151 755 4,379 and 21,895, with no remainder.
Since 21,895 cannot be divided by just 1 and 21,895, it is not a prime number.