Q: Is 15,387,408 a Composite Number?

Why is 15,387,408 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 15,387,408 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 81 93 108 124 144 162 186 216 248 279 324 372 383 432 496 558 648 744 766 837 1,116 1,149 1,296 1,488 1,532 1,674 2,232 2,298 2,511 3,064 3,348 3,447 4,464 4,596 5,022 6,128 6,696 6,894 9,192 10,044 10,341 11,873 13,392 13,788 18,384 20,088 20,682 23,746 27,576 31,023 35,619 40,176 41,364 47,492 55,152 62,046 71,238 82,728 94,984 106,857 124,092 142,476 165,456 189,968 213,714 248,184 284,952 320,571 427,428 496,368 569,904 641,142 854,856 961,713 1,282,284 1,709,712 1,923,426 2,564,568 3,846,852 5,129,136 7,693,704 and 15,387,408, with no remainder.

Since 15,387,408 cannot be divided by just 1 and 15,387,408, 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).