Q: Is 1,267,728 a Composite Number?

Why is 1,267,728 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 1,267,728 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 112 132 147 154 168 176 196 231 264 294 308 336 343 392 462 528 539 588 616 686 784 924 1,029 1,078 1,176 1,232 1,372 1,617 1,848 2,058 2,156 2,352 2,401 2,744 3,234 3,696 3,773 4,116 4,312 4,802 5,488 6,468 7,203 7,546 8,232 8,624 9,604 11,319 12,936 14,406 15,092 16,464 19,208 22,638 25,872 26,411 28,812 30,184 38,416 45,276 52,822 57,624 60,368 79,233 90,552 105,644 115,248 158,466 181,104 211,288 316,932 422,576 633,864 and 1,267,728, with no remainder.

Since 1,267,728 cannot be divided by just 1 and 1,267,728, 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).