Q: Is 1,989,900 a Composite Number?

Why is 1,989,900 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 1,989,900 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 27 30 33 36 44 45 50 54 55 60 66 67 75 90 99 100 108 110 132 134 135 150 165 180 198 201 220 225 268 270 275 297 300 330 335 396 402 450 495 540 550 594 603 660 670 675 737 804 825 900 990 1,005 1,100 1,188 1,206 1,340 1,350 1,474 1,485 1,650 1,675 1,809 1,980 2,010 2,211 2,412 2,475 2,700 2,948 2,970 3,015 3,300 3,350 3,618 3,685 4,020 4,422 4,950 5,025 5,940 6,030 6,633 6,700 7,236 7,370 7,425 8,844 9,045 9,900 10,050 11,055 12,060 13,266 14,740 14,850 15,075 18,090 18,425 19,899 20,100 22,110 26,532 29,700 30,150 33,165 36,180 36,850 39,798 44,220 45,225 55,275 60,300 66,330 73,700 79,596 90,450 99,495 110,550 132,660 165,825 180,900 198,990 221,100 331,650 397,980 497,475 663,300 994,950 and 1,989,900, with no remainder.

Since 1,989,900 cannot be divided by just 1 and 1,989,900, 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).