Q: Is 123,577 a Prime Number?
A: No, 123,577 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 123577 can be evenly divided by 1 191 647 and 123,577, with no remainder.
Since 123,577 cannot be divided by just 1 and 123,577, it is not a prime number.