Q: Is 77,423 a Prime Number?
A: No, 77,423 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 77423 can be evenly divided by 1 139 557 and 77,423, with no remainder.
Since 77,423 cannot be divided by just 1 and 77,423, it is not a prime number.