Q: Is 1,145,200 a Composite Number?

Why is 1,145,200 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 1,145,200 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 409 560 700 818 1,400 1,636 2,045 2,800 2,863 3,272 4,090 5,726 6,544 8,180 10,225 11,452 14,315 16,360 20,450 22,904 28,630 32,720 40,900 45,808 57,260 71,575 81,800 114,520 143,150 163,600 229,040 286,300 572,600 and 1,145,200, with no remainder.

Since 1,145,200 cannot be divided by just 1 and 1,145,200, 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).