Q: Is 6,543,120 a Composite Number?

Why is 6,543,120 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 6,543,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 137 199 240 274 398 411 548 597 685 796 822 995 1,096 1,194 1,370 1,592 1,644 1,990 2,055 2,192 2,388 2,740 2,985 3,184 3,288 3,980 4,110 4,776 5,480 5,970 6,576 7,960 8,220 9,552 10,960 11,940 15,920 16,440 23,880 27,263 32,880 47,760 54,526 81,789 109,052 136,315 163,578 218,104 272,630 327,156 408,945 436,208 545,260 654,312 817,890 1,090,520 1,308,624 1,635,780 2,181,040 3,271,560 and 6,543,120, with no remainder.

Since 6,543,120 cannot be divided by just 1 and 6,543,120, 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).