Q: Is 445,328 a Prime Number?
A: No, 445,328 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 445328 can be evenly divided by 1 2 4 8 13 16 26 52 104 208 2,141 4,282 8,564 17,128 27,833 34,256 55,666 111,332 222,664 and 445,328, with no remainder.
Since 445,328 cannot be divided by just 1 and 445,328, it is not a prime number.