Q: Is 566,667 a Prime Number?
A: No, 566,667 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 566667 can be evenly divided by 1 3 9 79 237 711 797 2,391 7,173 62,963 188,889 and 566,667, with no remainder.
Since 566,667 cannot be divided by just 1 and 566,667, it is not a prime number.