Q: Is 243,208 a Prime Number?
A: No, 243,208 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 243208 can be evenly divided by 1 2 4 7 8 14 28 43 56 86 101 172 202 301 344 404 602 707 808 1,204 1,414 2,408 2,828 4,343 5,656 8,686 17,372 30,401 34,744 60,802 121,604 and 243,208, with no remainder.
Since 243,208 cannot be divided by just 1 and 243,208, it is not a prime number.