Q: Is 860,000 a Prime Number?
A: No, 860,000 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 860000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 43 50 80 86 100 125 160 172 200 215 250 344 400 430 500 625 688 800 860 1,000 1,075 1,250 1,376 1,720 2,000 2,150 2,500 3,440 4,000 4,300 5,000 5,375 6,880 8,600 10,000 10,750 17,200 20,000 21,500 26,875 34,400 43,000 53,750 86,000 107,500 172,000 215,000 430,000 and 860,000, with no remainder.
Since 860,000 cannot be divided by just 1 and 860,000, it is not a prime number.