Q: Is 2,101,572 a Composite Number?

Why is 2,101,572 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 2,101,572 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 27 29 33 36 44 54 58 61 66 87 99 108 116 122 132 174 183 198 244 261 297 319 348 366 396 522 549 594 638 671 732 783 957 1,044 1,098 1,188 1,276 1,342 1,566 1,647 1,769 1,914 2,013 2,196 2,684 2,871 3,132 3,294 3,538 3,828 4,026 5,307 5,742 6,039 6,588 7,076 8,052 8,613 10,614 11,484 12,078 15,921 17,226 18,117 19,459 21,228 24,156 31,842 34,452 36,234 38,918 47,763 58,377 63,684 72,468 77,836 95,526 116,754 175,131 191,052 233,508 350,262 525,393 700,524 1,050,786 and 2,101,572, with no remainder.

Since 2,101,572 cannot be divided by just 1 and 2,101,572, 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).