Q: Is 787,172 a Prime Number?
A: No, 787,172 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 787172 can be evenly divided by 1 2 4 83 166 332 2,371 4,742 9,484 196,793 393,586 and 787,172, with no remainder.
Since 787,172 cannot be divided by just 1 and 787,172, it is not a prime number.