Q: Is 3,215,100 a Composite Number?

Why is 3,215,100 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 3,215,100 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1,050 1,531 2,100 3,062 4,593 6,124 7,655 9,186 10,717 15,310 18,372 21,434 22,965 30,620 32,151 38,275 42,868 45,930 53,585 64,302 76,550 91,860 107,170 114,825 128,604 153,100 160,755 214,340 229,650 267,925 321,510 459,300 535,850 643,020 803,775 1,071,700 1,607,550 and 3,215,100, with no remainder.

Since 3,215,100 cannot be divided by just 1 and 3,215,100, 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).