Q: Is 5,125,509 a Prime Number?
A: No, 5,125,509 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 5125509 can be evenly divided by 1 3 9 31 93 279 18,371 55,113 165,339 569,501 1,708,503 and 5,125,509, with no remainder.
Since 5,125,509 cannot be divided by just 1 and 5,125,509, it is not a prime number.