Q: Is 21,492 a Prime Number?
A: No, 21,492 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 21492 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 54 108 199 398 597 796 1,194 1,791 2,388 3,582 5,373 7,164 10,746 and 21,492, with no remainder.
Since 21,492 cannot be divided by just 1 and 21,492, it is not a prime number.