Q: Is 1,530,431 a Prime Number?
A: No, 1,530,431 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 1530431 can be evenly divided by 1 7 19 37 133 259 311 703 2,177 4,921 5,909 11,507 41,363 80,549 218,633 and 1,530,431, with no remainder.
Since 1,530,431 cannot be divided by just 1 and 1,530,431, it is not a prime number.