Q: Is 511,878 a Prime Number?
A: No, 511,878 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 511878 can be evenly divided by 1 2 3 6 85,313 170,626 255,939 and 511,878, with no remainder.
Since 511,878 cannot be divided by just 1 and 511,878, it is not a prime number.