Q: Is 31,875,408 a Composite Number?

Why is 31,875,408 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 31,875,408 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 24 29 34 36 48 51 58 68 72 87 102 116 136 144 153 174 204 232 261 272 306 348 408 449 464 493 522 612 696 816 898 986 1,044 1,224 1,347 1,392 1,479 1,796 1,972 2,088 2,448 2,694 2,958 3,592 3,944 4,041 4,176 4,437 5,388 5,916 7,184 7,633 7,888 8,082 8,874 10,776 11,832 13,021 15,266 16,164 17,748 21,552 22,899 23,664 26,042 30,532 32,328 35,496 39,063 45,798 52,084 61,064 64,656 68,697 70,992 78,126 91,596 104,168 117,189 122,128 137,394 156,252 183,192 208,336 221,357 234,378 274,788 312,504 366,384 442,714 468,756 549,576 625,008 664,071 885,428 937,512 1,099,152 1,328,142 1,770,856 1,875,024 1,992,213 2,656,284 3,541,712 3,984,426 5,312,568 7,968,852 10,625,136 15,937,704 and 31,875,408, with no remainder.

Since 31,875,408 cannot be divided by just 1 and 31,875,408, 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).