Q: Is 1,403,670 a Prime Number?
A: No, 1,403,670 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 1403670 can be evenly divided by 1 2 3 5 6 10 15 30 71 142 213 355 426 659 710 1,065 1,318 1,977 2,130 3,295 3,954 6,590 9,885 19,770 46,789 93,578 140,367 233,945 280,734 467,890 701,835 and 1,403,670, with no remainder.
Since 1,403,670 cannot be divided by just 1 and 1,403,670, it is not a prime number.