Q: Is 1,241,628 a Prime Number?
A: No, 1,241,628 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 1241628 can be evenly divided by 1 2 3 4 6 12 107 214 321 428 642 967 1,284 1,934 2,901 3,868 5,802 11,604 103,469 206,938 310,407 413,876 620,814 and 1,241,628, with no remainder.
Since 1,241,628 cannot be divided by just 1 and 1,241,628, it is not a prime number.