Q: Is 819,000 a Composite Number?

Why is 819,000 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 819,000 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 25 26 28 30 35 36 39 40 42 45 50 52 56 60 63 65 70 72 75 78 84 90 91 100 104 105 117 120 125 126 130 140 150 156 168 175 180 182 195 200 210 225 234 250 252 260 273 280 300 312 315 325 350 360 364 375 390 420 450 455 468 500 504 520 525 546 585 600 630 650 700 728 750 780 819 840 875 900 910 936 975 1,000 1,050 1,092 1,125 1,170 1,260 1,300 1,365 1,400 1,500 1,560 1,575 1,625 1,638 1,750 1,800 1,820 1,950 2,100 2,184 2,250 2,275 2,340 2,520 2,600 2,625 2,730 2,925 3,000 3,150 3,250 3,276 3,500 3,640 3,900 4,095 4,200 4,500 4,550 4,680 4,875 5,250 5,460 5,850 6,300 6,500 6,552 6,825 7,000 7,800 7,875 8,190 9,000 9,100 9,750 10,500 10,920 11,375 11,700 12,600 13,000 13,650 14,625 15,750 16,380 18,200 19,500 20,475 21,000 22,750 23,400 27,300 29,250 31,500 32,760 34,125 39,000 40,950 45,500 54,600 58,500 63,000 68,250 81,900 91,000 102,375 117,000 136,500 163,800 204,750 273,000 409,500 and 819,000, with no remainder.

Since 819,000 cannot be divided by just 1 and 819,000, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).