Q: Is 777,126 a Prime Number?
A: No, 777,126 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 777126 can be evenly divided by 1 2 3 6 7 14 21 42 18,503 37,006 55,509 111,018 129,521 259,042 388,563 and 777,126, with no remainder.
Since 777,126 cannot be divided by just 1 and 777,126, it is not a prime number.