Q: Is 666,842 a Prime Number?
A: No, 666,842 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 666842 can be evenly divided by 1 2 11 17 22 34 187 374 1,783 3,566 19,613 30,311 39,226 60,622 333,421 and 666,842, with no remainder.
Since 666,842 cannot be divided by just 1 and 666,842, it is not a prime number.