Class 6 CBSE NCERT
what is the prime factors?
what is composite numbers?
what is factor of 24 and 58?
Answers
Answer:
Prime factors are factors of a number that are, themselves, prime numbers. There are many methods to find the prime factors of a number, but one of the most common is to use a prime factor tree.
A composite number is a positive integer. which is not prime (i.e., which has factors other than 1 and itself). The first few composite numbers (sometimes called "composites" for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16, ... (OEIS A002808), whose prime decompositions are summarized in the following table.
For 24 and 58 those factors look like this: Factors for 24: 1, 2, 3, 4, 6, 8, 12, and 24. Factors for 58: 1, 2, 29, and 58.
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Answer:
- A factor that is a prime number.
In other words: any of the prime numbers that can be multiplied to give the original number.
Example: The prime factors of 15 are 3 and 5 (because 3×5=15, and 3 and 5 are prime numbers).
2. composite numbers are numbers that have more than two factors. It is just the opposite of prime numbers which have only two factors, i.e. 1 and the number itself. These numbers are also called composites. All the natural numbers which are not prime numbers are composite numbers as they can be divided by more than two numbers. For example, 6 is a composite number because it is divisible by 1, 2, 3 and even by 6.
3. Factors for 24: 1, 2, 3, 4, 6, 8, 12, and 24.
Factors for 58: 1, 2, 29, and 58.