Q: Is 342,258 a Prime Number?
A: No, 342,258 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 342258 can be evenly divided by 1 2 3 6 7 14 21 29 42 58 87 174 203 281 406 562 609 843 1,218 1,686 1,967 3,934 5,901 8,149 11,802 16,298 24,447 48,894 57,043 114,086 171,129 and 342,258, with no remainder.
Since 342,258 cannot be divided by just 1 and 342,258, it is not a prime number.