Q: Is 387,942 a Prime Number?
A: No, 387,942 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 387942 can be evenly divided by 1 2 3 6 19 38 41 57 82 83 114 123 166 246 249 498 779 1,558 1,577 2,337 3,154 3,403 4,674 4,731 6,806 9,462 10,209 20,418 64,657 129,314 193,971 and 387,942, with no remainder.
Since 387,942 cannot be divided by just 1 and 387,942, it is not a prime number.