Q: Is 12,157,500 a Composite Number?

Why is 12,157,500 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 12,157,500 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 625 750 1,250 1,500 1,621 1,875 2,500 3,242 3,750 4,863 6,484 7,500 8,105 9,726 16,210 19,452 24,315 32,420 40,525 48,630 81,050 97,260 121,575 162,100 202,625 243,150 405,250 486,300 607,875 810,500 1,013,125 1,215,750 2,026,250 2,431,500 3,039,375 4,052,500 6,078,750 and 12,157,500, with no remainder.

Since 12,157,500 cannot be divided by just 1 and 12,157,500, 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).