Q: Is 1,277,628 a Prime Number?
A: No, 1,277,628 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 1277628 can be evenly divided by 1 2 3 4 6 11 12 22 33 44 66 132 9,679 19,358 29,037 38,716 58,074 106,469 116,148 212,938 319,407 425,876 638,814 and 1,277,628, with no remainder.
Since 1,277,628 cannot be divided by just 1 and 1,277,628, it is not a prime number.