Q: Is 77,728,080 a Composite Number?

Why is 77,728,080 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 77,728,080 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1,020 1,360 2,040 4,080 19,051 38,102 57,153 76,204 95,255 114,306 152,408 190,510 228,612 285,765 304,816 323,867 381,020 457,224 571,530 647,734 762,040 914,448 971,601 1,143,060 1,295,468 1,524,080 1,619,335 1,943,202 2,286,120 2,590,936 3,238,670 3,886,404 4,572,240 4,858,005 5,181,872 6,477,340 7,772,808 9,716,010 12,954,680 15,545,616 19,432,020 25,909,360 38,864,040 and 77,728,080, with no remainder.

Since 77,728,080 cannot be divided by just 1 and 77,728,080, 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).