GCF for 60 and 620

What is the Greatest common Divisor of 60 and 620?

Answer: GCF of 60 and 620 is 20

(Twenty)

Finding GCF for 60 and 620 using all factors (divisors) listing

The first method to find GCF for numbers 60 and 620 is to list all factors for both numbers and pick the highest common one:

All factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

All factors of 620: 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620

So the Greatest Common Factor for 60 and 620 is 20

Finding GCF for 60 and 620 by Prime Factorization

The second method to find GCF for numbers 60 and 620 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 60: 2, 2, 3, 5

All Prime Factors of 620: 2, 2, 5, 31

As we can see there are Prime Factors common to both numbers: 2, 2, 5

Now we need to multiply them to find GCF: 2 × 2 × 5 = 20

GCF Table

Number 1Number 2GCF
456205
466202
476201
486204
496201
5062010
516201
526204
536201
546202
556205
566204
576201
586202
596201
6062020
616201
6262062
636201
646204
656205
666202
676201
686204
696201
7062010
716201
726204
736201
746202

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 60 and 620? (The answer is: 20). Select the first number (e.g. '60') and the second number (e.g. '620'). 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 60 and 620?

GCF of 60 and 620 is 20