Q: Is 21,048 a Prime Number?
A: No, 21,048 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 21048 can be evenly divided by 1 2 3 4 6 8 12 24 877 1,754 2,631 3,508 5,262 7,016 10,524 and 21,048, with no remainder.
Since 21,048 cannot be divided by just 1 and 21,048, it is not a prime number.