Q: Is 8,428,131 a Prime Number?
A: No, 8,428,131 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 8428131 can be evenly divided by 1 3 9 27 67 81 201 603 1,553 1,809 4,659 5,427 13,977 41,931 104,051 125,793 312,153 936,459 2,809,377 and 8,428,131, with no remainder.
Since 8,428,131 cannot be divided by just 1 and 8,428,131, it is not a prime number.