Q: Is 243,940 a Prime Number?
A: No, 243,940 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 243940 can be evenly divided by 1 2 4 5 10 20 12,197 24,394 48,788 60,985 121,970 and 243,940, with no remainder.
Since 243,940 cannot be divided by just 1 and 243,940, it is not a prime number.