Q: Is 42,427 a Prime Number?
A: No, 42,427 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 42427 can be evenly divided by 1 7 11 19 29 77 133 203 209 319 551 1,463 2,233 3,857 6,061 and 42,427, with no remainder.
Since 42,427 cannot be divided by just 1 and 42,427, it is not a prime number.