Q: Is 122,787 a Prime Number?
A: No, 122,787 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 122787 can be evenly divided by 1 3 7 9 21 63 1,949 5,847 13,643 17,541 40,929 and 122,787, with no remainder.
Since 122,787 cannot be divided by just 1 and 122,787, it is not a prime number.