Q: Is 767,643 a Prime Number?
A: No, 767,643 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 767643 can be evenly divided by 1 3 41 79 123 237 3,239 6,241 9,717 18,723 255,881 and 767,643, with no remainder.
Since 767,643 cannot be divided by just 1 and 767,643, it is not a prime number.