Q: Is 217,311,471 a Composite Number?

Why is 217,311,471 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 217,311,471 can be evenly divided by 1 3 9 13 27 29 37 39 87 111 117 261 333 351 377 481 577 783 999 1,073 1,131 1,443 1,731 3,219 3,393 4,329 5,193 7,501 9,657 10,179 12,987 13,949 15,579 16,733 21,349 22,503 28,971 41,847 50,199 64,047 67,509 125,541 150,597 192,141 202,527 217,529 277,537 376,623 451,791 576,423 619,121 652,587 832,611 1,857,363 1,957,761 2,497,833 5,572,089 5,873,283 7,493,499 8,048,573 16,716,267 24,145,719 72,437,157 and 217,311,471, with no remainder.

Since 217,311,471 cannot be divided by just 1 and 217,311,471, 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).