Q: Is 243,445 a Prime Number?
A: No, 243,445 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 243445 can be evenly divided by 1 5 181 269 905 1,345 48,689 and 243,445, with no remainder.
Since 243,445 cannot be divided by just 1 and 243,445, it is not a prime number.