Q: Is 1,426,668 a Prime Number?
A: No, 1,426,668 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 1426668 can be evenly divided by 1 2 3 4 6 12 61 122 183 244 366 732 1,949 3,898 5,847 7,796 11,694 23,388 118,889 237,778 356,667 475,556 713,334 and 1,426,668, with no remainder.
Since 1,426,668 cannot be divided by just 1 and 1,426,668, it is not a prime number.