Q: Is 18,077,850 a Composite Number?

Why is 18,077,850 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 18,077,850 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 90 105 126 135 150 175 189 210 225 270 315 350 378 450 525 630 675 945 1,050 1,350 1,575 1,890 1,913 3,150 3,826 4,725 5,739 9,450 9,565 11,478 13,391 17,217 19,130 26,782 28,695 34,434 40,173 47,825 51,651 57,390 66,955 80,346 86,085 95,650 103,302 120,519 133,910 143,475 172,170 200,865 241,038 258,255 286,950 334,775 361,557 401,730 430,425 516,510 602,595 669,550 723,114 860,850 1,004,325 1,205,190 1,291,275 1,807,785 2,008,650 2,582,550 3,012,975 3,615,570 6,025,950 9,038,925 and 18,077,850, with no remainder.

Since 18,077,850 cannot be divided by just 1 and 18,077,850, 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).