Q: Is 308,000 a Prime Number?
A: No, 308,000 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 308000 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 44 50 55 56 70 77 80 88 100 110 112 125 140 154 160 175 176 200 220 224 250 275 280 308 350 352 385 400 440 500 550 560 616 700 770 800 875 880 1,000 1,100 1,120 1,232 1,375 1,400 1,540 1,750 1,760 1,925 2,000 2,200 2,464 2,750 2,800 3,080 3,500 3,850 4,000 4,400 5,500 5,600 6,160 7,000 7,700 8,800 9,625 11,000 12,320 14,000 15,400 19,250 22,000 28,000 30,800 38,500 44,000 61,600 77,000 154,000 and 308,000, with no remainder.
Since 308,000 cannot be divided by just 1 and 308,000, it is not a prime number.