Q: Is 443,991 a Prime Number?
A: No, 443,991 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 443991 can be evenly divided by 1 3 147,997 and 443,991, with no remainder.
Since 443,991 cannot be divided by just 1 and 443,991, it is not a prime number.