Q: Is 20,042,100 a Composite Number?

Why is 20,042,100 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 20,042,100 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 27 30 36 39 45 50 52 54 60 65 75 78 90 100 108 117 130 135 150 156 180 195 225 234 260 270 300 325 351 390 450 468 540 571 585 650 675 702 780 900 975 1,142 1,170 1,300 1,350 1,404 1,713 1,755 1,950 2,284 2,340 2,700 2,855 2,925 3,426 3,510 3,900 5,139 5,710 5,850 6,852 7,020 7,423 8,565 8,775 10,278 11,420 11,700 14,275 14,846 15,417 17,130 17,550 20,556 22,269 25,695 28,550 29,692 30,834 34,260 35,100 37,115 42,825 44,538 51,390 57,100 61,668 66,807 74,230 77,085 85,650 89,076 102,780 111,345 128,475 133,614 148,460 154,170 171,300 185,575 200,421 222,690 256,950 267,228 308,340 334,035 371,150 385,425 400,842 445,380 513,900 556,725 668,070 742,300 770,850 801,684 1,002,105 1,113,450 1,336,140 1,541,700 1,670,175 2,004,210 2,226,900 3,340,350 4,008,420 5,010,525 6,680,700 10,021,050 and 20,042,100, with no remainder.

Since 20,042,100 cannot be divided by just 1 and 20,042,100, 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).