Q: Is 865,000 a Prime Number?
A: No, 865,000 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 865000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 173 200 250 346 500 625 692 865 1,000 1,250 1,384 1,730 2,500 3,460 4,325 5,000 6,920 8,650 17,300 21,625 34,600 43,250 86,500 108,125 173,000 216,250 432,500 and 865,000, with no remainder.
Since 865,000 cannot be divided by just 1 and 865,000, it is not a prime number.