Q: Is 745,218 a Prime Number?
A: No, 745,218 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 745218 can be evenly divided by 1 2 3 6 9 18 19 38 57 114 171 342 2,179 4,358 6,537 13,074 19,611 39,222 41,401 82,802 124,203 248,406 372,609 and 745,218, with no remainder.
Since 745,218 cannot be divided by just 1 and 745,218, it is not a prime number.