Q: Is 826,640 a Prime Number?
A: No, 826,640 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 826640 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 10,333 20,666 41,332 51,665 82,664 103,330 165,328 206,660 413,320 and 826,640, with no remainder.
Since 826,640 cannot be divided by just 1 and 826,640, it is not a prime number.