Q: Is 285,000 a Prime Number?
A: No, 285,000 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 285000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 19 20 24 25 30 38 40 50 57 60 75 76 95 100 114 120 125 150 152 190 200 228 250 285 300 375 380 456 475 500 570 600 625 750 760 950 1,000 1,140 1,250 1,425 1,500 1,875 1,900 2,280 2,375 2,500 2,850 3,000 3,750 3,800 4,750 5,000 5,700 7,125 7,500 9,500 11,400 11,875 14,250 15,000 19,000 23,750 28,500 35,625 47,500 57,000 71,250 95,000 142,500 and 285,000, with no remainder.
Since 285,000 cannot be divided by just 1 and 285,000, it is not a prime number.