Q: Is 211,005,000 a Composite Number?

Why is 211,005,000 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 211,005,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 125 135 150 162 180 200 216 225 250 270 300 324 360 375 405 450 500 521 540 600 625 648 675 750 810 900 1,000 1,042 1,080 1,125 1,250 1,350 1,500 1,563 1,620 1,800 1,875 2,025 2,084 2,250 2,500 2,605 2,700 3,000 3,126 3,240 3,375 3,750 4,050 4,168 4,500 4,689 5,000 5,210 5,400 5,625 6,252 6,750 7,500 7,815 8,100 9,000 9,378 10,125 10,420 11,250 12,504 13,025 13,500 14,067 15,000 15,630 16,200 16,875 18,756 20,250 20,840 22,500 23,445 26,050 27,000 28,134 31,260 33,750 37,512 39,075 40,500 42,201 45,000 46,890 50,625 52,100 56,268 62,520 65,125 67,500 70,335 78,150 81,000 84,402 93,780 101,250 104,200 112,536 117,225 130,250 135,000 140,670 156,300 168,804 187,560 195,375 202,500 211,005 234,450 260,500 281,340 312,600 325,625 337,608 351,675 390,750 405,000 422,010 468,900 521,000 562,680 586,125 651,250 703,350 781,500 844,020 937,800 976,875 1,055,025 1,172,250 1,302,500 1,406,700 1,563,000 1,688,040 1,758,375 1,953,750 2,110,050 2,344,500 2,605,000 2,813,400 2,930,625 3,516,750 3,907,500 4,220,100 4,689,000 5,275,125 5,861,250 7,033,500 7,815,000 8,440,200 8,791,875 10,550,250 11,722,500 14,067,000 17,583,750 21,100,500 23,445,000 26,375,625 35,167,500 42,201,000 52,751,250 70,335,000 105,502,500 and 211,005,000, with no remainder.

Since 211,005,000 cannot be divided by just 1 and 211,005,000, 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).