Q: Is 661,942 a Prime Number?
A: No, 661,942 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 661942 can be evenly divided by 1 2 43 86 179 358 1,849 3,698 7,697 15,394 330,971 and 661,942, with no remainder.
Since 661,942 cannot be divided by just 1 and 661,942, it is not a prime number.