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a natural number is called a composite number if it has at least one more factor other than 1 and the number it self
? Related: Examples: Tests for Divisibility
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What is a Composite Number?
A composite number is a natural number that has at least one more factor other than 1 and the number itself. In other words, a composite number is a number that can be divided by other numbers besides 1 and itself.
Examples of Composite Numbers
Some examples of composite numbers are:
- 4: Factors of 4 are 1, 2, and 4.
- 6: Factors of 6 are 1, 2, 3, and 6.
- 8: Factors of 8 are 1, 2, 4, and 8.
- 9: Factors of 9 are 1, 3, and 9.
Tests for Divisibility
There are several tests that can be used to determine if a number is composite. These include:
- Divisibility by 2: If a number is even, then it is divisible by 2 and is therefore composite.
- Divisibility by 3: If the sum of the digits of a number is divisible by 3, then the number itself is divisible by 3 and is therefore composite.
- Divisibility by 4: If the last two digits of a number are divisible by 4, then the number itself is divisible by 4 and is therefore composite.
- Divisibility by 5: If a number ends in 0 or 5, then it is divisible by 5 and is therefore composite.
- Divisibility by 6: If a number is divisible by both 2 and 3, then it is divisible by 6 and is therefore composite.
- Divisibility by 8: If the last three digits of a number are divisible by 8, then the number itself is divisible by 8 and is therefore composite.
- Divisibility by 9: If the sum of the digits of a number is divisible by 9, then the number itself is divisible by 9 and is therefore composite.
Conclusion
In summary, a composite number is a natural number that has at least one more factor other than 1 and itself. To determine if a number is composite, we can use various tests for divisibility.
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a natural number is called a composite number if it has at least one more factor other than 1 and the number it self Related: Examples: Tests for Divisibility?
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a natural number is called a composite number if it has at least one more factor other than 1 and the number it self Related: Examples: Tests for Divisibility? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about a natural number is called a composite number if it has at least one more factor other than 1 and the number it self Related: Examples: Tests for Divisibility? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for a natural number is called a composite number if it has at least one more factor other than 1 and the number it self Related: Examples: Tests for Divisibility?.
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