Q: Is 21,484 a Prime Number?
A: No, 21,484 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 21484 can be evenly divided by 1 2 4 41 82 131 164 262 524 5,371 10,742 and 21,484, with no remainder.
Since 21,484 cannot be divided by just 1 and 21,484, it is not a prime number.