Q: Is 21,126,336 a Composite Number?

Why is 21,126,336 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 21,126,336 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 132 154 168 176 192 224 231 264 308 336 352 448 462 528 616 672 704 924 1,056 1,232 1,344 1,429 1,848 2,112 2,464 2,858 3,696 4,287 4,928 5,716 7,392 8,574 10,003 11,432 14,784 15,719 17,148 20,006 22,864 30,009 31,438 34,296 40,012 45,728 47,157 60,018 62,876 68,592 80,024 91,456 94,314 110,033 120,036 125,752 137,184 160,048 188,628 220,066 240,072 251,504 274,368 320,096 330,099 377,256 440,132 480,144 503,008 640,192 660,198 754,512 880,264 960,288 1,006,016 1,320,396 1,509,024 1,760,528 1,920,576 2,640,792 3,018,048 3,521,056 5,281,584 7,042,112 10,563,168 and 21,126,336, with no remainder.

Since 21,126,336 cannot be divided by just 1 and 21,126,336, 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).