Q: Is 1,248,680 a Composite Number?

Why is 1,248,680 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 1,248,680 can be evenly divided by 1 2 4 5 8 10 19 20 31 38 40 53 62 76 95 106 124 152 155 190 212 248 265 310 380 424 530 589 620 760 1,007 1,060 1,178 1,240 1,643 2,014 2,120 2,356 2,945 3,286 4,028 4,712 5,035 5,890 6,572 8,056 8,215 10,070 11,780 13,144 16,430 20,140 23,560 31,217 32,860 40,280 62,434 65,720 124,868 156,085 249,736 312,170 624,340 and 1,248,680, with no remainder.

Since 1,248,680 cannot be divided by just 1 and 1,248,680, 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).