Q: Is 820,608 a Prime Number?
A: No, 820,608 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 820608 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 2,137 4,274 6,411 8,548 12,822 17,096 25,644 34,192 51,288 68,384 102,576 136,768 205,152 273,536 410,304 and 820,608, with no remainder.
Since 820,608 cannot be divided by just 1 and 820,608, it is not a prime number.