Q: Is 443,889 a Prime Number?
A: No, 443,889 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 443889 can be evenly divided by 1 3 9 31 37 43 93 111 129 279 333 387 1,147 1,333 1,591 3,441 3,999 4,773 10,323 11,997 14,319 49,321 147,963 and 443,889, with no remainder.
Since 443,889 cannot be divided by just 1 and 443,889, it is not a prime number.