Q: Is 243,550 a Prime Number?
A: No, 243,550 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 243550 can be evenly divided by 1 2 5 10 25 50 4,871 9,742 24,355 48,710 121,775 and 243,550, with no remainder.
Since 243,550 cannot be divided by just 1 and 243,550, it is not a prime number.