Nope.... 1 is a factor of every Prime number !
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1 is not a prime number because every number is divisible by 1, including itself. 0 is not a prime number because the division by 0 will not produce any real numbers.
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.
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 purpose of a factor tree is to divide a number into prime factors. 1 is not a prime number.
1 is a factor of every number.