Q: Is 4,221,760 a Composite Number?

Why is 4,221,760 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 4,221,760 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 79 80 158 160 167 316 320 334 395 632 668 790 835 1,264 1,336 1,580 1,670 2,528 2,672 3,160 3,340 5,056 5,344 6,320 6,680 10,688 12,640 13,193 13,360 25,280 26,386 26,720 52,772 53,440 65,965 105,544 131,930 211,088 263,860 422,176 527,720 844,352 1,055,440 2,110,880 and 4,221,760, with no remainder.

Since 4,221,760 cannot be divided by just 1 and 4,221,760, 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).