Q: Is 42,398 a Prime Number?
A: No, 42,398 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 42398 can be evenly divided by 1 2 17 29 34 43 58 86 493 731 986 1,247 1,462 2,494 21,199 and 42,398, with no remainder.
Since 42,398 cannot be divided by just 1 and 42,398, it is not a prime number.