GCF for 70 and 185

What is the Greatest Common Factor of 70 and 185?

Answer: GCF of 70 and 185 is 5

(Five)

Finding GCF for 70 and 185 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 185 is to list all factors for both numbers and pick the highest common one:

All factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

All factors of 185: 1, 5, 37, 185

So the Greatest Common Factor for 70 and 185 is 5

Finding GCF for 70 and 185 by Prime Factorization

The second method to find GCF for numbers 70 and 185 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 70: 2, 5, 7

All Prime Factors of 185: 5, 37

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 70 and 185

GCF Table

Number 1Number 2GCF
551855
561851
571851
581851
591851
601855
611851
621851
631851
641851
651855
661851
671851
681851
691851
701855
711851
721851
731851
7418537
751855
761851
771851
781851
791851
801855
811851
821851
831851
841851

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 Factor of 70 and 185? (The answer is: 5). Select the first number (e.g. '70') and the second number (e.g. '185'). 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 Factor of 70 and 185?

GCF of 70 and 185 is 5