Q: Is 22,221,000 a Composite Number?

Why is 22,221,000 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 22,221,000 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 90 100 108 120 125 135 150 180 200 216 225 250 270 300 360 375 450 500 540 600 675 750 823 900 1,000 1,080 1,125 1,350 1,500 1,646 1,800 2,250 2,469 2,700 3,000 3,292 3,375 4,115 4,500 4,938 5,400 6,584 6,750 7,407 8,230 9,000 9,876 12,345 13,500 14,814 16,460 19,752 20,575 22,221 24,690 27,000 29,628 32,920 37,035 41,150 44,442 49,380 59,256 61,725 74,070 82,300 88,884 98,760 102,875 111,105 123,450 148,140 164,600 177,768 185,175 205,750 222,210 246,900 296,280 308,625 370,350 411,500 444,420 493,800 555,525 617,250 740,700 823,000 888,840 925,875 1,111,050 1,234,500 1,481,400 1,851,750 2,222,100 2,469,000 2,777,625 3,703,500 4,444,200 5,555,250 7,407,000 11,110,500 and 22,221,000, with no remainder.

Since 22,221,000 cannot be divided by just 1 and 22,221,000, 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).