Q: Is 15,390,816 a Composite Number?

Why is 15,390,816 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 15,390,816 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 74 84 96 111 112 148 168 222 224 259 296 336 444 518 592 619 672 777 888 1,036 1,184 1,238 1,554 1,776 1,857 2,072 2,476 3,108 3,552 3,714 4,144 4,333 4,952 6,216 7,428 8,288 8,666 9,904 12,432 12,999 14,856 17,332 19,808 22,903 24,864 25,998 29,712 34,664 45,806 51,996 59,424 68,709 69,328 91,612 103,992 137,418 138,656 160,321 183,224 207,984 274,836 320,642 366,448 415,968 480,963 549,672 641,284 732,896 961,926 1,099,344 1,282,568 1,923,852 2,198,688 2,565,136 3,847,704 5,130,272 7,695,408 and 15,390,816, with no remainder.

Since 15,390,816 cannot be divided by just 1 and 15,390,816, 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).