Q: Is 21,103,425 a Composite Number?

 A: Yes, 21,103,425 is a composite number.

Why is 21,103,425 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 21,103,425 can be evenly divided by 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1,575 13,399 40,197 66,995 93,793 120,591 200,985 281,379 334,975 468,965 602,955 844,137 1,004,925 1,406,895 2,344,825 3,014,775 4,220,685 7,034,475 and 21,103,425, with no remainder.

Since 21,103,425 cannot be divided by just 1 and 21,103,425, it is a composite number.


More Examples

Number 21,103,42321,103,42421,103,42621,103,427
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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