Q: Is 2,221,800 a Composite Number?

Why is 2,221,800 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 2,221,800 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 23 24 25 28 30 35 40 42 46 50 56 60 69 70 75 84 92 100 105 115 120 138 140 150 161 168 175 184 200 210 230 276 280 300 322 345 350 420 460 483 525 529 552 575 600 644 690 700 805 840 920 966 1,050 1,058 1,150 1,288 1,380 1,400 1,587 1,610 1,725 1,932 2,100 2,116 2,300 2,415 2,645 2,760 3,174 3,220 3,450 3,703 3,864 4,025 4,200 4,232 4,600 4,830 5,290 6,348 6,440 6,900 7,406 7,935 8,050 9,660 10,580 11,109 12,075 12,696 13,225 13,800 14,812 15,870 16,100 18,515 19,320 21,160 22,218 24,150 26,450 29,624 31,740 32,200 37,030 39,675 44,436 48,300 52,900 55,545 63,480 74,060 79,350 88,872 92,575 96,600 105,800 111,090 148,120 158,700 185,150 222,180 277,725 317,400 370,300 444,360 555,450 740,600 1,110,900 and 2,221,800, with no remainder.

Since 2,221,800 cannot be divided by just 1 and 2,221,800, 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).