Q: Is 539,427 a Prime Number?
A: No, 539,427 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 539427 can be evenly divided by 1 3 7 17 21 51 119 357 1,511 4,533 10,577 25,687 31,731 77,061 179,809 and 539,427, with no remainder.
Since 539,427 cannot be divided by just 1 and 539,427, it is not a prime number.