Q: Is 343,240 a Prime Number?
A: No, 343,240 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 343240 can be evenly divided by 1 2 4 5 8 10 20 40 8,581 17,162 34,324 42,905 68,648 85,810 171,620 and 343,240, with no remainder.
Since 343,240 cannot be divided by just 1 and 343,240, it is not a prime number.