Q: Is 243,916 a Prime Number?
A: No, 243,916 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 243916 can be evenly divided by 1 2 4 17 34 68 211 289 422 578 844 1,156 3,587 7,174 14,348 60,979 121,958 and 243,916, with no remainder.
Since 243,916 cannot be divided by just 1 and 243,916, it is not a prime number.