Q: Is 680,500 a Prime Number?
A: No, 680,500 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 680500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 1,361 2,722 5,444 6,805 13,610 27,220 34,025 68,050 136,100 170,125 340,250 and 680,500, with no remainder.
Since 680,500 cannot be divided by just 1 and 680,500, it is not a prime number.