Q: Is 31,565,000 a Composite Number?

Why is 31,565,000 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 31,565,000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 59 100 107 118 125 200 214 236 250 295 428 472 500 535 590 625 856 1,000 1,070 1,180 1,250 1,475 2,140 2,360 2,500 2,675 2,950 4,280 5,000 5,350 5,900 6,313 7,375 10,700 11,800 12,626 13,375 14,750 21,400 25,252 26,750 29,500 31,565 36,875 50,504 53,500 59,000 63,130 66,875 73,750 107,000 126,260 133,750 147,500 157,825 252,520 267,500 295,000 315,650 535,000 631,300 789,125 1,262,600 1,578,250 3,156,500 3,945,625 6,313,000 7,891,250 15,782,500 and 31,565,000, with no remainder.

Since 31,565,000 cannot be divided by just 1 and 31,565,000, 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).