Q: Is 243,964 a Prime Number?
A: No, 243,964 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 243964 can be evenly divided by 1 2 4 7 14 28 8,713 17,426 34,852 60,991 121,982 and 243,964, with no remainder.
Since 243,964 cannot be divided by just 1 and 243,964, it is not a prime number.