Q: Is 501,791 a Prime Number?
A: No, 501,791 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 501791 can be evenly divided by 1 23 21,817 and 501,791, with no remainder.
Since 501,791 cannot be divided by just 1 and 501,791, it is not a prime number.