Q: Is 1,280,742 a Prime Number?
A: No, 1,280,742 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 1280742 can be evenly divided by 1 2 3 6 113 226 339 678 1,889 3,778 5,667 11,334 213,457 426,914 640,371 and 1,280,742, with no remainder.
Since 1,280,742 cannot be divided by just 1 and 1,280,742, it is not a prime number.