Q: Is 1,558,900 a Composite Number?

Why is 1,558,900 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 1,558,900 can be evenly divided by 1 2 4 5 7 10 14 17 20 25 28 34 35 50 68 70 85 100 119 131 140 170 175 238 262 340 350 425 476 524 595 655 700 850 917 1,190 1,310 1,700 1,834 2,227 2,380 2,620 2,975 3,275 3,668 4,454 4,585 5,950 6,550 8,908 9,170 11,135 11,900 13,100 15,589 18,340 22,270 22,925 31,178 44,540 45,850 55,675 62,356 77,945 91,700 111,350 155,890 222,700 311,780 389,725 779,450 and 1,558,900, with no remainder.

Since 1,558,900 cannot be divided by just 1 and 1,558,900, 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).