Q: Is 665,942 a Prime Number?
A: No, 665,942 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 665942 can be evenly divided by 1 2 23 31 46 62 467 713 934 1,426 10,741 14,477 21,482 28,954 332,971 and 665,942, with no remainder.
Since 665,942 cannot be divided by just 1 and 665,942, it is not a prime number.