Q: Is 20,422,100 a Composite Number?

Why is 20,422,100 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 20,422,100 can be evenly divided by 1 2 4 5 10 17 20 25 34 41 50 68 82 85 100 164 170 205 293 340 410 425 586 697 820 850 1,025 1,172 1,394 1,465 1,700 2,050 2,788 2,930 3,485 4,100 4,981 5,860 6,970 7,325 9,962 12,013 13,940 14,650 17,425 19,924 24,026 24,905 29,300 34,850 48,052 49,810 60,065 69,700 99,620 120,130 124,525 204,221 240,260 249,050 300,325 408,442 498,100 600,650 816,884 1,021,105 1,201,300 2,042,210 4,084,420 5,105,525 10,211,050 and 20,422,100, with no remainder.

Since 20,422,100 cannot be divided by just 1 and 20,422,100, 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).