Q: Is 100,443 a Prime Number?
A: No, 100,443 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 100443 can be evenly divided by 1 3 7 21 4,783 14,349 33,481 and 100,443, with no remainder.
Since 100,443 cannot be divided by just 1 and 100,443, it is not a prime number.