Q: Is 21,483 a Prime Number?
A: No, 21,483 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 21483 can be evenly divided by 1 3 7 9 11 21 31 33 63 77 93 99 217 231 279 341 651 693 1,023 1,953 2,387 3,069 7,161 and 21,483, with no remainder.
Since 21,483 cannot be divided by just 1 and 21,483, it is not a prime number.