Q: Is 770,000 a Prime Number?
A: No, 770,000 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 770000 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 25 28 35 40 44 50 55 56 70 77 80 88 100 110 112 125 140 154 175 176 200 220 250 275 280 308 350 385 400 440 500 550 560 616 625 700 770 875 880 1,000 1,100 1,232 1,250 1,375 1,400 1,540 1,750 1,925 2,000 2,200 2,500 2,750 2,800 3,080 3,500 3,850 4,375 4,400 5,000 5,500 6,160 6,875 7,000 7,700 8,750 9,625 10,000 11,000 13,750 14,000 15,400 17,500 19,250 22,000 27,500 30,800 35,000 38,500 48,125 55,000 70,000 77,000 96,250 110,000 154,000 192,500 385,000 and 770,000, with no remainder.
Since 770,000 cannot be divided by just 1 and 770,000, it is not a prime number.