Q: Is 121,128,850 a Composite Number?

Why is 121,128,850 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 121,128,850 can be evenly divided by 1 2 5 10 25 43 50 53 86 106 215 265 430 530 1,063 1,075 1,325 2,126 2,150 2,279 2,650 4,558 5,315 10,630 11,395 22,790 26,575 45,709 53,150 56,339 56,975 91,418 112,678 113,950 228,545 281,695 457,090 563,390 1,142,725 1,408,475 2,285,450 2,422,577 2,816,950 4,845,154 12,112,885 24,225,770 60,564,425 and 121,128,850, with no remainder.

Since 121,128,850 cannot be divided by just 1 and 121,128,850, 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).