Q: Is 9,978,000 a Composite Number?

Why is 9,978,000 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 9,978,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1,000 1,200 1,500 1,663 2,000 3,000 3,326 4,989 6,000 6,652 8,315 9,978 13,304 16,630 19,956 24,945 26,608 33,260 39,912 41,575 49,890 66,520 79,824 83,150 99,780 124,725 133,040 166,300 199,560 207,875 249,450 332,600 399,120 415,750 498,900 623,625 665,200 831,500 997,800 1,247,250 1,663,000 1,995,600 2,494,500 3,326,000 4,989,000 and 9,978,000, with no remainder.

Since 9,978,000 cannot be divided by just 1 and 9,978,000, 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).