GCF for 40 and 185

What is the Greatest common Divisor of 40 and 185?

Answer: GCF of 40 and 185 is 5

(Five)

Finding GCF for 40 and 185 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 185 is to list all factors for both numbers and pick the highest common one:

All factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

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

So the Greatest Common Factor for 40 and 185 is 5

Finding GCF for 40 and 185 by Prime Factorization

The second method to find GCF for numbers 40 and 185 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 40: 2, 2, 2, 5

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 40 and 185

GCF Table

Number 1Number 2GCF
251855
261851
271851
281851
291851
301855
311851
321851
331851
341851
351855
361851
3718537
381851
391851
401855
411851
421851
431851
441851
451855
461851
471851
481851
491851
501855
511851
521851
531851
541851

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 40 and 185? (The answer is: 5). Select the first number (e.g. '40') 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 Divisor of 40 and 185?

GCF of 40 and 185 is 5