Q: Is 3,115,400 a Composite Number?

Why is 3,115,400 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 3,115,400 can be evenly divided by 1 2 4 5 8 10 20 25 37 40 50 74 100 148 185 200 296 370 421 740 842 925 1,480 1,684 1,850 2,105 3,368 3,700 4,210 7,400 8,420 10,525 15,577 16,840 21,050 31,154 42,100 62,308 77,885 84,200 124,616 155,770 311,540 389,425 623,080 778,850 1,557,700 and 3,115,400, with no remainder.

Since 3,115,400 cannot be divided by just 1 and 3,115,400, 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).