Q: Is 787,122 a Prime Number?
A: No, 787,122 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 787122 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 6,247 12,494 18,741 37,482 43,729 56,223 87,458 112,446 131,187 262,374 393,561 and 787,122, with no remainder.
Since 787,122 cannot be divided by just 1 and 787,122, it is not a prime number.