Q: Is 243,860 a Prime Number?
A: No, 243,860 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 243860 can be evenly divided by 1 2 4 5 10 20 89 137 178 274 356 445 548 685 890 1,370 1,780 2,740 12,193 24,386 48,772 60,965 121,930 and 243,860, with no remainder.
Since 243,860 cannot be divided by just 1 and 243,860, it is not a prime number.