Q: Is 3,780,120 a Composite Number?

Why is 3,780,120 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 3,780,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 109 120 136 170 204 218 255 289 327 340 408 436 510 545 578 654 680 867 872 1,020 1,090 1,156 1,308 1,445 1,635 1,734 1,853 2,040 2,180 2,312 2,616 2,890 3,270 3,468 3,706 4,335 4,360 5,559 5,780 6,540 6,936 7,412 8,670 9,265 11,118 11,560 13,080 14,824 17,340 18,530 22,236 27,795 31,501 34,680 37,060 44,472 55,590 63,002 74,120 94,503 111,180 126,004 157,505 189,006 222,360 252,008 315,010 378,012 472,515 630,020 756,024 945,030 1,260,040 1,890,060 and 3,780,120, with no remainder.

Since 3,780,120 cannot be divided by just 1 and 3,780,120, 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).