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Is one a greatest common factor?
It can be, if you're comparing primes or relative primes.
What is the greatest common factor 56 and 81?
Factor each to primes then, choose the common primes to multiply.56=2x2x2x781=3x3x3x3Greatest common is the multiplication identity 1.
What are the common factors and greatest common factor of 19 and 23?
The numbers are primes so their only common factor is 1, and that means the greatest common factor is 1.
What is the greatest common factor for 47 and 71?
The GCF is 1 - since BOTH numbers are primes.
What is the Greatest common factor of 73 127?
The GCF is 1.
What is the greatest common factor of 5 and 17?
They are both primes so the gcf is 1.
Which number is greatest factor of every 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.
What is the greatest factor of 25 and 70?
The greatest common factor? Start by factoring both numbers into primes: 25 = 5*5 70 = 2*5*7 The only prime factor in common is a single 5. So the answer is 5.
What is greatest common factor for 17 and 37?
Since both 17 and 37 are primes, their GCF is 1.The GCF is 1.
What is the greatest common factor of 3 4 and 6?
4 3 and 6 have no proper factor in common. Remember that 1 is a factor of every counting number, but not a proper factor of any of them. Greatest common factor questions do not recognise 1 as a proper factor. When talking of primes neither 1 nor the number itself is regarded as a proper factor.
What is the GCF of 55 143 110?
Factor the numbers into primes: 55 = 5 * 11 143 = 13 * 11 110 = 2 * 5 * 11 The ONLY factor they all have in common is 11. 11 is the greatest (and only) common factor.
Is it possible for two odd numbers to have 1 as GCF?
Yes. Any two primes will have 1 as their Greatest Common Factor. 3 and 5, for instance.
