Q: Is 1,257,200 a Composite Number?

Why is 1,257,200 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 1,257,200 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 449 560 700 898 1,400 1,796 2,245 2,800 3,143 3,592 4,490 6,286 7,184 8,980 11,225 12,572 15,715 17,960 22,450 25,144 31,430 35,920 44,900 50,288 62,860 78,575 89,800 125,720 157,150 179,600 251,440 314,300 628,600 and 1,257,200, with no remainder.

Since 1,257,200 cannot be divided by just 1 and 1,257,200, 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).