Q: Is 3,220,400 a Composite Number?

Why is 3,220,400 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 3,220,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 83 97 100 166 194 200 332 388 400 415 485 664 776 830 970 1,328 1,552 1,660 1,940 2,075 2,425 3,320 3,880 4,150 4,850 6,640 7,760 8,051 8,300 9,700 16,102 16,600 19,400 32,204 33,200 38,800 40,255 64,408 80,510 128,816 161,020 201,275 322,040 402,550 644,080 805,100 1,610,200 and 3,220,400, with no remainder.

Since 3,220,400 cannot be divided by just 1 and 3,220,400, 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).