Q: Is 7,805,000 a Composite Number?

Why is 7,805,000 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 7,805,000 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 223 250 280 350 446 500 625 700 875 892 1,000 1,115 1,250 1,400 1,561 1,750 1,784 2,230 2,500 3,122 3,500 4,375 4,460 5,000 5,575 6,244 7,000 7,805 8,750 8,920 11,150 12,488 15,610 17,500 22,300 27,875 31,220 35,000 39,025 44,600 55,750 62,440 78,050 111,500 139,375 156,100 195,125 223,000 278,750 312,200 390,250 557,500 780,500 975,625 1,115,000 1,561,000 1,951,250 3,902,500 and 7,805,000, with no remainder.

Since 7,805,000 cannot be divided by just 1 and 7,805,000, 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).