Q: Is 495,991 a Prime Number?
A: No, 495,991 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 495991 can be evenly divided by 1 47 61 173 2,867 8,131 10,553 and 495,991, with no remainder.
Since 495,991 cannot be divided by just 1 and 495,991, it is not a prime number.