GCF for 60 and 615

What is the Greatest Common Factor of 60 and 615?

Answer: GCF of 60 and 615 is 15

(Fifteen)

Finding GCF for 60 and 615 using all factors (divisors) listing

The first method to find GCF for numbers 60 and 615 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 615: 1, 3, 5, 15, 41, 123, 205, 615

So the Greatest Common Factor for 60 and 615 is 15

Finding GCF for 60 and 615 by Prime Factorization

The second method to find GCF for numbers 60 and 615 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 615: 3, 5, 41

As we can see there are Prime Factors common to both numbers: 3, 5

Now we need to multiply them to find GCF: 3 × 5 = 15

GCF Table

Number 1Number 2GCF
4561515
466151
476151
486153
496151
506155
516153
526151
536151
546153
556155
566151
576153
586151
596151
6061515
616151
626151
636153
646151
656155
666153
676151
686151
696153
706155
716151
726153
736151
746151

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 60 and 615? (The answer is: 15). Select the first number (e.g. '60') and the second number (e.g. '615'). 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 60 and 615?

GCF of 60 and 615 is 15