Q: Is 5,120,423 a Prime Number?
A: No, 5,120,423 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 5120423 can be evenly divided by 1 7 11 77 66,499 465,493 731,489 and 5,120,423, with no remainder.
Since 5,120,423 cannot be divided by just 1 and 5,120,423, it is not a prime number.