Q: Is 243,616 a Prime Number?
A: No, 243,616 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 243616 can be evenly divided by 1 2 4 8 16 23 32 46 92 184 331 368 662 736 1,324 2,648 5,296 7,613 10,592 15,226 30,452 60,904 121,808 and 243,616, with no remainder.
Since 243,616 cannot be divided by just 1 and 243,616, it is not a prime number.