Q: Is 1,331,000 a Composite Number?

Why is 1,331,000 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 1,331,000 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 121 125 200 220 242 250 275 440 484 500 550 605 968 1,000 1,100 1,210 1,331 1,375 2,200 2,420 2,662 2,750 3,025 4,840 5,324 5,500 6,050 6,655 10,648 11,000 12,100 13,310 15,125 24,200 26,620 30,250 33,275 53,240 60,500 66,550 121,000 133,100 166,375 266,200 332,750 665,500 and 1,331,000, with no remainder.

Since 1,331,000 cannot be divided by just 1 and 1,331,000, 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).