Q: Is 660,667 a Prime Number?
A: No, 660,667 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 660667 can be evenly divided by 1 7 49 97 139 679 973 4,753 6,811 13,483 94,381 and 660,667, with no remainder.
Since 660,667 cannot be divided by just 1 and 660,667, it is not a prime number.