Q: Is 1,211,000 a Composite Number?

Why is 1,211,000 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 1,211,000 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 173 175 200 250 280 346 350 500 692 700 865 875 1,000 1,211 1,384 1,400 1,730 1,750 2,422 3,460 3,500 4,325 4,844 6,055 6,920 7,000 8,650 9,688 12,110 17,300 21,625 24,220 30,275 34,600 43,250 48,440 60,550 86,500 121,100 151,375 173,000 242,200 302,750 605,500 and 1,211,000, with no remainder.

Since 1,211,000 cannot be divided by just 1 and 1,211,000, 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).