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Q: Is Every prime number is a factor of 1.?

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No because you have to have a prime number besides 1 like 2,5,7 because every time you use a factor tree and you put a 1 as prime you keep getting one every time.So one can not be use as a factor when doing a factor tree.

The greatest factor of any number is the number itself. There is no integer that is the greatest factor of every number. One is a factor of every number. One is the GCF of co-prime numbers.

Because 1 is not a prime number.

why 1 is a factor of every number

1 is a factor of every number.

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Since every number has 1 as a factor, and 1 is not prime, then no number has only prime factors.

1 and the number itself except that's a prime number

No because you have to have a prime number besides 1 like 2,5,7 because every time you use a factor tree and you put a 1 as prime you keep getting one every time.So one can not be use as a factor when doing a factor tree.

1 is a factor of every number.1 is a factor of every number.

No - as 1 is not a prime number.

The greatest factor of any number is the number itself. There is no integer that is the greatest factor of every number. One is a factor of every number. One is the GCF of co-prime numbers.

Every whole number has at least one prime factor.With the possible exception of ' 1 ', whose only factor is ' 1 ' andisn't considered a prime number.

1 is the smallest natural number. 1 is the factor of every number. 1 is neither prime nor composite.

No prime number only has one factor. Each prime number has itself and 1 as factors. Now, the number 1 of course has only one factor, but it is technically not a prime number.

No, 1 is a factor of every whole number because 1 is a factor of every whole number.

Because 1 is not a prime number.

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