Q: Is 40,443 a Prime Number?
A: No, 40,443 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 40443 can be evenly divided by 1 3 13 17 39 51 61 183 221 663 793 1,037 2,379 3,111 13,481 and 40,443, with no remainder.
Since 40,443 cannot be divided by just 1 and 40,443, it is not a prime number.