Q: Is 397,787 a Prime Number?
A: No, 397,787 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 397787 can be evenly divided by 1 13 37 481 827 10,751 30,599 and 397,787, with no remainder.
Since 397,787 cannot be divided by just 1 and 397,787, it is not a prime number.