Q: Is 55,250,780 a Composite Number?

Why is 55,250,780 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 55,250,780 can be evenly divided by 1 2 4 5 10 13 20 26 41 52 65 71 73 82 130 142 146 164 205 260 284 292 355 365 410 533 710 730 820 923 949 1,066 1,420 1,460 1,846 1,898 2,132 2,665 2,911 2,993 3,692 3,796 4,615 4,745 5,183 5,330 5,822 5,986 9,230 9,490 10,366 10,660 11,644 11,972 14,555 14,965 18,460 18,980 20,732 25,915 29,110 29,930 37,843 38,909 51,830 58,220 59,860 67,379 75,686 77,818 103,660 134,758 151,372 155,636 189,215 194,545 212,503 269,516 336,895 378,430 389,090 425,006 673,790 756,860 778,180 850,012 1,062,515 1,347,580 2,125,030 2,762,539 4,250,060 5,525,078 11,050,156 13,812,695 27,625,390 and 55,250,780, with no remainder.

Since 55,250,780 cannot be divided by just 1 and 55,250,780, 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).