Q: Is 805,000 a Prime Number?
A: No, 805,000 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 805000 can be evenly divided by 1 2 4 5 7 8 10 14 20 23 25 28 35 40 46 50 56 70 92 100 115 125 140 161 175 184 200 230 250 280 322 350 460 500 575 625 644 700 805 875 920 1,000 1,150 1,250 1,288 1,400 1,610 1,750 2,300 2,500 2,875 3,220 3,500 4,025 4,375 4,600 5,000 5,750 6,440 7,000 8,050 8,750 11,500 14,375 16,100 17,500 20,125 23,000 28,750 32,200 35,000 40,250 57,500 80,500 100,625 115,000 161,000 201,250 402,500 and 805,000, with no remainder.
Since 805,000 cannot be divided by just 1 and 805,000, it is not a prime number.