Q: Is 823,040 a Prime Number?
A: No, 823,040 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 823040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 643 1,280 1,286 2,572 3,215 5,144 6,430 10,288 12,860 20,576 25,720 41,152 51,440 82,304 102,880 164,608 205,760 411,520 and 823,040, with no remainder.
Since 823,040 cannot be divided by just 1 and 823,040, it is not a prime number.