Q: Is 511,172 a Prime Number?
A: No, 511,172 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 511172 can be evenly divided by 1 2 4 47 94 188 2,719 5,438 10,876 127,793 255,586 and 511,172, with no remainder.
Since 511,172 cannot be divided by just 1 and 511,172, it is not a prime number.