Q: Is 121,615,020 a Composite Number?

Why is 121,615,020 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 121,615,020 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 81 82 90 108 123 135 162 164 180 205 246 270 324 369 405 410 492 540 615 738 810 820 1,107 1,230 1,476 1,620 1,831 1,845 2,214 2,460 3,321 3,662 3,690 4,428 5,493 5,535 6,642 7,324 7,380 9,155 10,986 11,070 13,284 16,479 16,605 18,310 21,972 22,140 27,465 32,958 33,210 36,620 49,437 54,930 65,916 66,420 75,071 82,395 98,874 109,860 148,311 150,142 164,790 197,748 225,213 247,185 296,622 300,284 329,580 375,355 450,426 494,370 593,244 675,639 741,555 750,710 900,852 988,740 1,126,065 1,351,278 1,483,110 1,501,420 2,026,917 2,252,130 2,702,556 2,966,220 3,378,195 4,053,834 4,504,260 6,080,751 6,756,390 8,107,668 10,134,585 12,161,502 13,512,780 20,269,170 24,323,004 30,403,755 40,538,340 60,807,510 and 121,615,020, with no remainder.

Since 121,615,020 cannot be divided by just 1 and 121,615,020, 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).