Q: Is 31,440,400 a Composite Number?

Why is 31,440,400 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 31,440,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 83 100 166 200 332 400 415 664 830 947 1,328 1,660 1,894 2,075 3,320 3,788 4,150 4,735 6,640 7,576 8,300 9,470 15,152 16,600 18,940 23,675 33,200 37,880 47,350 75,760 78,601 94,700 157,202 189,400 314,404 378,800 393,005 628,808 786,010 1,257,616 1,572,020 1,965,025 3,144,040 3,930,050 6,288,080 7,860,100 15,720,200 and 31,440,400, with no remainder.

Since 31,440,400 cannot be divided by just 1 and 31,440,400, 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).