Q: Is 7,720,000 a Composite Number?

Why is 7,720,000 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 7,720,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 193 200 250 320 386 400 500 625 772 800 965 1,000 1,250 1,544 1,600 1,930 2,000 2,500 3,088 3,860 4,000 4,825 5,000 6,176 7,720 8,000 9,650 10,000 12,352 15,440 19,300 20,000 24,125 30,880 38,600 40,000 48,250 61,760 77,200 96,500 120,625 154,400 193,000 241,250 308,800 386,000 482,500 772,000 965,000 1,544,000 1,930,000 3,860,000 and 7,720,000, with no remainder.

Since 7,720,000 cannot be divided by just 1 and 7,720,000, 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).