Q: Is 7,761,500 a Composite Number?

Why is 7,761,500 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 7,761,500 can be evenly divided by 1 2 4 5 10 19 20 25 38 43 50 76 86 95 100 125 172 190 215 250 361 380 430 475 500 722 817 860 950 1,075 1,444 1,634 1,805 1,900 2,150 2,375 3,268 3,610 4,085 4,300 4,750 5,375 7,220 8,170 9,025 9,500 10,750 15,523 16,340 18,050 20,425 21,500 31,046 36,100 40,850 45,125 62,092 77,615 81,700 90,250 102,125 155,230 180,500 204,250 310,460 388,075 408,500 776,150 1,552,300 1,940,375 3,880,750 and 7,761,500, with no remainder.

Since 7,761,500 cannot be divided by just 1 and 7,761,500, 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).