Q: Is 20,961,360 a Composite Number?

Why is 20,961,360 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 20,961,360 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1,008 1,260 1,680 2,520 4,159 5,040 8,318 12,477 16,636 20,795 24,954 29,113 33,272 37,431 41,590 49,908 58,226 62,385 66,544 74,862 83,180 87,339 99,816 116,452 124,770 145,565 149,724 166,360 174,678 187,155 199,632 232,904 249,540 262,017 291,130 299,448 332,720 349,356 374,310 436,695 465,808 499,080 524,034 582,260 598,896 698,712 748,620 873,390 998,160 1,048,068 1,164,520 1,310,085 1,397,424 1,497,240 1,746,780 2,096,136 2,329,040 2,620,170 2,994,480 3,493,560 4,192,272 5,240,340 6,987,120 10,480,680 and 20,961,360, with no remainder.

Since 20,961,360 cannot be divided by just 1 and 20,961,360, 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).