Q: Is 1,277,430 a Composite Number?

Why is 1,277,430 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 1,277,430 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 79 98 105 110 147 154 158 165 210 231 237 245 294 330 385 395 462 474 490 539 553 735 770 790 869 1,078 1,106 1,155 1,185 1,470 1,617 1,659 1,738 2,310 2,370 2,607 2,695 2,765 3,234 3,318 3,871 4,345 5,214 5,390 5,530 6,083 7,742 8,085 8,295 8,690 11,613 12,166 13,035 16,170 16,590 18,249 19,355 23,226 26,070 30,415 36,498 38,710 42,581 58,065 60,830 85,162 91,245 116,130 127,743 182,490 212,905 255,486 425,810 638,715 and 1,277,430, with no remainder.

Since 1,277,430 cannot be divided by just 1 and 1,277,430, 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).