Q: Is 1,260,780 a Prime Number?
A: No, 1,260,780 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 1260780 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 21,013 42,026 63,039 84,052 105,065 126,078 210,130 252,156 315,195 420,260 630,390 and 1,260,780, with no remainder.
Since 1,260,780 cannot be divided by just 1 and 1,260,780, it is not a prime number.