Q: Is 1,345,668 a Prime Number?
A: No, 1,345,668 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 1345668 can be evenly divided by 1 2 3 4 6 12 112,139 224,278 336,417 448,556 672,834 and 1,345,668, with no remainder.
Since 1,345,668 cannot be divided by just 1 and 1,345,668, it is not a prime number.