Q: Is 120,784,020 a Composite Number?

Why is 120,784,020 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 120,784,020 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 343 420 490 588 686 735 980 1,029 1,372 1,470 1,715 2,058 2,940 3,430 4,116 5,145 5,869 6,860 10,290 11,738 17,607 20,580 23,476 29,345 35,214 41,083 58,690 70,428 82,166 88,035 117,380 123,249 164,332 176,070 205,415 246,498 287,581 352,140 410,830 492,996 575,162 616,245 821,660 862,743 1,150,324 1,232,490 1,437,905 1,725,486 2,013,067 2,464,980 2,875,810 3,450,972 4,026,134 4,313,715 5,751,620 6,039,201 8,052,268 8,627,430 10,065,335 12,078,402 17,254,860 20,130,670 24,156,804 30,196,005 40,261,340 60,392,010 and 120,784,020, with no remainder.

Since 120,784,020 cannot be divided by just 1 and 120,784,020, 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).