Q: Is 15,444,180 a Composite Number?

Why is 15,444,180 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 15,444,180 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 239 359 478 717 718 956 1,077 1,195 1,434 1,436 1,795 2,151 2,154 2,390 2,868 3,231 3,585 3,590 4,302 4,308 4,780 5,385 6,462 7,170 7,180 8,604 10,755 10,770 12,924 14,340 16,155 21,510 21,540 32,310 43,020 64,620 85,801 171,602 257,403 343,204 429,005 514,806 772,209 858,010 1,029,612 1,287,015 1,544,418 1,716,020 2,574,030 3,088,836 3,861,045 5,148,060 7,722,090 and 15,444,180, with no remainder.

Since 15,444,180 cannot be divided by just 1 and 15,444,180, 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).