Q: Is 55,310,820 a Composite Number?

Why is 55,310,820 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 55,310,820 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 131 155 186 227 262 310 372 393 454 465 524 620 655 681 786 908 930 1,135 1,310 1,362 1,572 1,860 1,965 2,270 2,620 2,724 3,405 3,930 4,061 4,540 6,810 7,037 7,860 8,122 12,183 13,620 14,074 16,244 20,305 21,111 24,366 28,148 29,737 35,185 40,610 42,222 48,732 59,474 60,915 70,370 81,220 84,444 89,211 105,555 118,948 121,830 140,740 148,685 178,422 211,110 243,660 297,370 356,844 422,220 446,055 594,740 892,110 921,847 1,784,220 1,843,694 2,765,541 3,687,388 4,609,235 5,531,082 9,218,470 11,062,164 13,827,705 18,436,940 27,655,410 and 55,310,820, with no remainder.

Since 55,310,820 cannot be divided by just 1 and 55,310,820, 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).