Q: Is 121,402,428 a Composite Number?

Why is 121,402,428 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 121,402,428 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 607 1,214 1,821 2,381 2,428 3,642 4,249 4,762 7,143 7,284 8,498 9,524 12,747 14,286 16,667 16,996 25,494 28,572 33,334 50,001 50,988 66,668 100,002 200,004 1,445,267 2,890,534 4,335,801 5,781,068 8,671,602 10,116,869 17,343,204 20,233,738 30,350,607 40,467,476 60,701,214 and 121,402,428, with no remainder.

Since 121,402,428 cannot be divided by just 1 and 121,402,428, 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).