Q: Is 3,970,278 a Composite Number?

Why is 3,970,278 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 3,970,278 can be evenly divided by 1 2 3 6 9 13 18 19 26 38 39 47 57 78 94 114 117 141 171 234 247 282 342 361 423 494 611 722 741 846 893 1,083 1,222 1,482 1,786 1,833 2,166 2,223 2,679 3,249 3,666 4,446 4,693 5,358 5,499 6,498 8,037 9,386 10,998 11,609 14,079 16,074 16,967 23,218 28,158 33,934 34,827 42,237 50,901 69,654 84,474 101,802 104,481 152,703 208,962 220,571 305,406 441,142 661,713 1,323,426 1,985,139 and 3,970,278, with no remainder.

Since 3,970,278 cannot be divided by just 1 and 3,970,278, 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).