Q: Is 243,358 a Prime Number?
A: No, 243,358 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 243358 can be evenly divided by 1 2 271 449 542 898 121,679 and 243,358, with no remainder.
Since 243,358 cannot be divided by just 1 and 243,358, it is not a prime number.