Q: Is 1,246,840 a Composite Number?

Why is 1,246,840 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 1,246,840 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 61 70 73 122 140 146 244 280 292 305 365 427 488 511 584 610 730 854 1,022 1,220 1,460 1,708 2,044 2,135 2,440 2,555 2,920 3,416 4,088 4,270 4,453 5,110 8,540 8,906 10,220 17,080 17,812 20,440 22,265 31,171 35,624 44,530 62,342 89,060 124,684 155,855 178,120 249,368 311,710 623,420 and 1,246,840, with no remainder.

Since 1,246,840 cannot be divided by just 1 and 1,246,840, 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).