GCF for 70 and 755

What is the Greatest Common Factor of 70 and 755?

Answer: GCF of 70 and 755 is 5

(Five)

Finding GCF for 70 and 755 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 755 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 755: 1, 5, 151, 755

So the Greatest Common Factor for 70 and 755 is 5

Finding GCF for 70 and 755 by Prime Factorization

The second method to find GCF for numbers 70 and 755 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 755: 5, 151

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 755

GCF Table

Number 1Number 2GCF
557555
567551
577551
587551
597551
607555
617551
627551
637551
647551
657555
667551
677551
687551
697551
707555
717551
727551
737551
747551
757555
767551
777551
787551
797551
807555
817551
827551
837551
847551

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 755? (The answer is: 5). Select the first number (e.g. '70') and the second number (e.g. '755'). 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 755?

GCF of 70 and 755 is 5