Q: Is 243,340 a Prime Number?
A: No, 243,340 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 243340 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 460 529 1,058 2,116 2,645 5,290 10,580 12,167 24,334 48,668 60,835 121,670 and 243,340, with no remainder.
Since 243,340 cannot be divided by just 1 and 243,340, it is not a prime number.