Q: Is 111,003,120 a Composite Number?

Why is 111,003,120 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 111,003,120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 151 180 240 302 360 453 604 720 755 906 1,021 1,208 1,359 1,510 1,812 2,042 2,265 2,416 2,718 3,020 3,063 3,624 4,084 4,530 5,105 5,436 6,040 6,126 6,795 7,248 8,168 9,060 9,189 10,210 10,872 12,080 12,252 13,590 15,315 16,336 18,120 18,378 20,420 21,744 24,504 27,180 30,630 36,240 36,756 40,840 45,945 49,008 54,360 61,260 73,512 81,680 91,890 108,720 122,520 147,024 154,171 183,780 245,040 308,342 367,560 462,513 616,684 735,120 770,855 925,026 1,233,368 1,387,539 1,541,710 1,850,052 2,312,565 2,466,736 2,775,078 3,083,420 3,700,104 4,625,130 5,550,156 6,166,840 6,937,695 7,400,208 9,250,260 11,100,312 12,333,680 13,875,390 18,500,520 22,200,624 27,750,780 37,001,040 55,501,560 and 111,003,120, with no remainder.

Since 111,003,120 cannot be divided by just 1 and 111,003,120, 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).