Q: Is 850,000 a Prime Number?
A: No, 850,000 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 850000 can be evenly divided by 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 625 680 850 1,000 1,250 1,360 1,700 2,000 2,125 2,500 3,125 3,400 4,250 5,000 6,250 6,800 8,500 10,000 10,625 12,500 17,000 21,250 25,000 34,000 42,500 50,000 53,125 85,000 106,250 170,000 212,500 425,000 and 850,000, with no remainder.
Since 850,000 cannot be divided by just 1 and 850,000, it is not a prime number.