Q: Is 743,172 a Prime Number?
A: No, 743,172 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 743172 can be evenly divided by 1 2 3 4 6 12 17 34 51 68 102 204 3,643 7,286 10,929 14,572 21,858 43,716 61,931 123,862 185,793 247,724 371,586 and 743,172, with no remainder.
Since 743,172 cannot be divided by just 1 and 743,172, it is not a prime number.