GCF for 65 and 104

What is the Greatest common Divisor of 65 and 104?

Answer: GCF of 65 and 104 is 13

(Thirteen)

Finding GCF for 65 and 104 using all factors (divisors) listing

The first method to find GCF for numbers 65 and 104 is to list all factors for both numbers and pick the highest common one:

All factors of 65: 1, 5, 13, 65

All factors of 104: 1, 2, 4, 8, 13, 26, 52, 104

So the Greatest Common Factor for 65 and 104 is 13

Finding GCF for 65 and 104 by Prime Factorization

The second method to find GCF for numbers 65 and 104 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 65: 5, 13

All Prime Factors of 104: 2, 2, 2, 13

As we can see there is only one Prime Factor common to both numbers. It is 13

So 13 is the Greatest Common Factor of 65 and 104

Related Calculations

GCF Table

Number 1Number 2GCF
501042
511041
52104
531041
541042
551041
561048
571041
581042
591041
601044
611041
621042
631041
641048
65104
661042
671041
681044
691041
701042
711041
721048
731041
741042
751041
761044
771041
78104
791041

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 65 and 104? (The answer is: 13). Select the first number (e.g. '65') and the second number (e.g. '104'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

FAQ

What is the Greatest common Divisor of 65 and 104?

GCF of 65 and 104 is 13