Q: Is 343,978 a Prime Number?
A: No, 343,978 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 343978 can be evenly divided by 1 2 17 34 67 134 151 302 1,139 2,278 2,567 5,134 10,117 20,234 171,989 and 343,978, with no remainder.
Since 343,978 cannot be divided by just 1 and 343,978, it is not a prime number.