Q: Is 66,443 a Prime Number?
A: No, 66,443 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 66443 can be evenly divided by 1 13 19 247 269 3,497 5,111 and 66,443, with no remainder.
Since 66,443 cannot be divided by just 1 and 66,443, it is not a prime number.