Q: Is 15,228,648 a Composite Number?

Why is 15,228,648 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 15,228,648 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 71 72 81 108 142 162 213 216 284 324 331 426 568 639 648 662 852 993 1,278 1,324 1,704 1,917 1,986 2,556 2,648 2,979 3,834 3,972 5,112 5,751 5,958 7,668 7,944 8,937 11,502 11,916 15,336 17,874 23,004 23,501 23,832 26,811 35,748 46,008 47,002 53,622 70,503 71,496 94,004 107,244 141,006 188,008 211,509 214,488 282,012 423,018 564,024 634,527 846,036 1,269,054 1,692,072 1,903,581 2,538,108 3,807,162 5,076,216 7,614,324 and 15,228,648, with no remainder.

Since 15,228,648 cannot be divided by just 1 and 15,228,648, 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).