Q: Is 1,540,368 a Composite Number?

Why is 1,540,368 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 1,540,368 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 563 684 912 1,126 1,368 1,689 2,252 2,736 3,378 4,504 5,067 6,756 9,008 10,134 10,697 13,512 20,268 21,394 27,024 32,091 40,536 42,788 64,182 81,072 85,576 96,273 128,364 171,152 192,546 256,728 385,092 513,456 770,184 and 1,540,368, with no remainder.

Since 1,540,368 cannot be divided by just 1 and 1,540,368, 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).