Q: Is 863,000 a Prime Number?
A: No, 863,000 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 863000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 863 1,000 1,726 3,452 4,315 6,904 8,630 17,260 21,575 34,520 43,150 86,300 107,875 172,600 215,750 431,500 and 863,000, with no remainder.
Since 863,000 cannot be divided by just 1 and 863,000, it is not a prime number.