Q: Is 20,202,420 a Composite Number?

Why is 20,202,420 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 20,202,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 103 105 140 206 210 309 412 420 467 515 618 721 934 1,030 1,236 1,401 1,442 1,545 1,868 2,060 2,163 2,335 2,802 2,884 3,090 3,269 3,605 4,326 4,670 5,604 6,180 6,538 7,005 7,210 8,652 9,340 9,807 10,815 13,076 14,010 14,420 16,345 19,614 21,630 28,020 32,690 39,228 43,260 48,101 49,035 65,380 96,202 98,070 144,303 192,404 196,140 240,505 288,606 336,707 481,010 577,212 673,414 721,515 962,020 1,010,121 1,346,828 1,443,030 1,683,535 2,020,242 2,886,060 3,367,070 4,040,484 5,050,605 6,734,140 10,101,210 and 20,202,420, with no remainder.

Since 20,202,420 cannot be divided by just 1 and 20,202,420, 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).