Question

which factors are not included the
prime factorisation of a composite number.​

Answer 1

Answer:

The number other than 1 whose only factors are 1 and the number itself are called prime numbers .3.1 is either a prime nor a composite number.Going by the above statement it is clear 1 and the number itself ,are the factors which are not included in the prime factorisation of a composite number .

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Answer 2

Answer:

1 and the number itself are the factors which are not included in the prime factorisation of a composite number .