Q: Is 518,000 a Prime Number?
A: No, 518,000 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 518000 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 37 40 50 56 70 74 80 100 112 125 140 148 175 185 200 250 259 280 296 350 370 400 500 518 560 592 700 740 875 925 1,000 1,036 1,295 1,400 1,480 1,750 1,850 2,000 2,072 2,590 2,800 2,960 3,500 3,700 4,144 4,625 5,180 6,475 7,000 7,400 9,250 10,360 12,950 14,000 14,800 18,500 20,720 25,900 32,375 37,000 51,800 64,750 74,000 103,600 129,500 259,000 and 518,000, with no remainder.
Since 518,000 cannot be divided by just 1 and 518,000, it is not a prime number.