Q: Is 445,518 a Prime Number?
A: No, 445,518 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 445518 can be evenly divided by 1 2 3 6 9 18 53 106 159 318 467 477 934 954 1,401 2,802 4,203 8,406 24,751 49,502 74,253 148,506 222,759 and 445,518, with no remainder.
Since 445,518 cannot be divided by just 1 and 445,518, it is not a prime number.