Q: Is 243,859 a Prime Number?
A: No, 243,859 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 243859 can be evenly divided by 1 7 11 77 3,167 22,169 34,837 and 243,859, with no remainder.
Since 243,859 cannot be divided by just 1 and 243,859, it is not a prime number.