Q: Is 1,006,640 a Prime Number?
A: No, 1,006,640 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 1006640 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 12,583 25,166 50,332 62,915 100,664 125,830 201,328 251,660 503,320 and 1,006,640, with no remainder.
Since 1,006,640 cannot be divided by just 1 and 1,006,640, it is not a prime number.