GCF for 60 and 665

What is the Greatest Common Factor of 60 and 665?

Answer: GCF of 60 and 665 is 5

(Five)

Finding GCF for 60 and 665 using all factors (divisors) listing

The first method to find GCF for numbers 60 and 665 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 665: 1, 5, 7, 19, 35, 95, 133, 665

So the Greatest Common Factor for 60 and 665 is 5

Finding GCF for 60 and 665 by Prime Factorization

The second method to find GCF for numbers 60 and 665 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 665: 5, 7, 19

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 60 and 665

GCF Table

Number 1Number 2GCF
456655
466651
476651
486651
496657
506655
516651
526651
536651
546651
556655
566657
5766519
586651
596651
606655
616651
626651
636657
646651
656655
666651
676651
686651
696651
7066535
716651
726651
736651
746651

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 665? (The answer is: 5). Select the first number (e.g. '60') and the second number (e.g. '665'). 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 665?

GCF of 60 and 665 is 5