Q: Is 21,523,104 a Composite Number?

Why is 21,523,104 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 21,523,104 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 72 87 96 108 116 144 174 216 232 261 288 348 432 464 522 696 783 859 864 928 1,044 1,392 1,566 1,718 2,088 2,577 2,784 3,132 3,436 4,176 5,154 6,264 6,872 7,731 8,352 10,308 12,528 13,744 15,462 20,616 23,193 24,911 25,056 27,488 30,924 41,232 46,386 49,822 61,848 74,733 82,464 92,772 99,644 123,696 149,466 185,544 199,288 224,199 247,392 298,932 371,088 398,576 448,398 597,864 672,597 742,176 797,152 896,796 1,195,728 1,345,194 1,793,592 2,391,456 2,690,388 3,587,184 5,380,776 7,174,368 10,761,552 and 21,523,104, with no remainder.

Since 21,523,104 cannot be divided by just 1 and 21,523,104, 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).