Q: Is 21,852 a Prime Number?
A: No, 21,852 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 21852 can be evenly divided by 1 2 3 4 6 9 12 18 36 607 1,214 1,821 2,428 3,642 5,463 7,284 10,926 and 21,852, with no remainder.
Since 21,852 cannot be divided by just 1 and 21,852, it is not a prime number.