Q: Is 121,563,666 a Composite Number?

Why is 121,563,666 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 121,563,666 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 43 54 63 81 86 126 129 162 189 243 258 277 301 378 387 486 554 567 602 729 774 831 903 1,134 1,161 1,458 1,662 1,701 1,806 1,939 2,322 2,493 2,709 3,402 3,483 3,878 4,986 5,103 5,418 5,817 6,966 7,479 8,127 10,206 10,449 11,634 11,911 14,958 16,254 17,451 20,898 22,437 23,822 24,381 31,347 34,902 35,733 44,874 48,762 52,353 62,694 67,311 71,466 73,143 83,377 104,706 107,199 134,622 146,286 157,059 166,754 201,933 214,398 219,429 250,131 314,118 321,597 403,866 438,858 471,177 500,262 643,194 750,393 942,354 964,791 1,413,531 1,500,786 1,929,582 2,251,179 2,827,062 2,894,373 4,502,358 5,788,746 6,753,537 8,683,119 13,507,074 17,366,238 20,260,611 40,521,222 60,781,833 and 121,563,666, with no remainder.

Since 121,563,666 cannot be divided by just 1 and 121,563,666, 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).