Q: Is 15,556,428 a Composite Number?

Why is 15,556,428 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 15,556,428 can be evenly divided by 1 2 3 4 6 9 12 17 18 27 34 36 37 51 54 68 74 102 108 111 148 153 204 222 229 306 333 444 458 459 612 629 666 687 916 918 999 1,258 1,332 1,374 1,836 1,887 1,998 2,061 2,516 2,748 3,774 3,893 3,996 4,122 5,661 6,183 7,548 7,786 8,244 8,473 11,322 11,679 12,366 15,572 16,946 16,983 22,644 23,358 24,732 25,419 33,892 33,966 35,037 46,716 50,838 67,932 70,074 76,257 101,676 105,111 140,148 144,041 152,514 210,222 228,771 288,082 305,028 420,444 432,123 457,542 576,164 864,246 915,084 1,296,369 1,728,492 2,592,738 3,889,107 5,185,476 7,778,214 and 15,556,428, with no remainder.

Since 15,556,428 cannot be divided by just 1 and 15,556,428, 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).