Q: Is 1,228,500 a Composite Number?

Why is 1,228,500 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 1,228,500 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 25 26 27 28 30 35 36 39 42 45 50 52 54 60 63 65 70 75 78 84 90 91 100 105 108 117 125 126 130 135 140 150 156 175 180 182 189 195 210 225 234 250 252 260 270 273 300 315 325 350 351 364 375 378 390 420 450 455 468 500 525 540 546 585 630 650 675 700 702 750 756 780 819 875 900 910 945 975 1,050 1,092 1,125 1,170 1,260 1,300 1,350 1,365 1,404 1,500 1,575 1,625 1,638 1,750 1,755 1,820 1,890 1,950 2,100 2,250 2,275 2,340 2,457 2,625 2,700 2,730 2,925 3,150 3,250 3,276 3,375 3,500 3,510 3,780 3,900 4,095 4,500 4,550 4,725 4,875 4,914 5,250 5,460 5,850 6,300 6,500 6,750 6,825 7,020 7,875 8,190 8,775 9,100 9,450 9,750 9,828 10,500 11,375 11,700 12,285 13,500 13,650 14,625 15,750 16,380 17,550 18,900 19,500 20,475 22,750 23,625 24,570 27,300 29,250 31,500 34,125 35,100 40,950 43,875 45,500 47,250 49,140 58,500 61,425 68,250 81,900 87,750 94,500 102,375 122,850 136,500 175,500 204,750 245,700 307,125 409,500 614,250 and 1,228,500, with no remainder.

Since 1,228,500 cannot be divided by just 1 and 1,228,500, 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).