Q: Is 385,000 a Prime Number?
A: No, 385,000 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 385000 can be evenly divided by 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 280 308 350 385 440 500 550 616 625 700 770 875 1,000 1,100 1,250 1,375 1,400 1,540 1,750 1,925 2,200 2,500 2,750 3,080 3,500 3,850 4,375 5,000 5,500 6,875 7,000 7,700 8,750 9,625 11,000 13,750 15,400 17,500 19,250 27,500 35,000 38,500 48,125 55,000 77,000 96,250 192,500 and 385,000, with no remainder.
Since 385,000 cannot be divided by just 1 and 385,000, it is not a prime number.