Q: Is 1,921,500 a Composite Number?

Why is 1,921,500 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 1,921,500 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 25 28 30 35 36 42 45 50 60 61 63 70 75 84 90 100 105 122 125 126 140 150 175 180 183 210 225 244 250 252 300 305 315 350 366 375 420 427 450 500 525 549 610 630 700 732 750 854 875 900 915 1,050 1,098 1,125 1,220 1,260 1,281 1,500 1,525 1,575 1,708 1,750 1,830 2,100 2,135 2,196 2,250 2,562 2,625 2,745 3,050 3,150 3,500 3,660 3,843 4,270 4,500 4,575 5,124 5,250 5,490 6,100 6,300 6,405 7,625 7,686 7,875 8,540 9,150 10,500 10,675 10,980 12,810 13,725 15,250 15,372 15,750 18,300 19,215 21,350 22,875 25,620 27,450 30,500 31,500 32,025 38,430 42,700 45,750 53,375 54,900 64,050 68,625 76,860 91,500 96,075 106,750 128,100 137,250 160,125 192,150 213,500 274,500 320,250 384,300 480,375 640,500 960,750 and 1,921,500, with no remainder.

Since 1,921,500 cannot be divided by just 1 and 1,921,500, 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).