Q: Is 243,380 a Prime Number?
A: No, 243,380 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 243380 can be evenly divided by 1 2 4 5 10 20 43 86 172 215 283 430 566 860 1,132 1,415 2,830 5,660 12,169 24,338 48,676 60,845 121,690 and 243,380, with no remainder.
Since 243,380 cannot be divided by just 1 and 243,380, it is not a prime number.