GCF for 70 and 910

What is the Greatest Common Factor of 70 and 910?

Answer: GCF of 70 and 910 is 70

(Seventy)

Finding GCF for 70 and 910 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 910 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 910: 1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910

So the Greatest Common Factor for 70 and 910 is 70

Finding GCF for 70 and 910 by Prime Factorization

The second method to find GCF for numbers 70 and 910 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 910: 2, 5, 7, 13

As we can see there are Prime Factors common to both numbers: 2, 5, 7

Now we need to multiply them to find GCF: 2 × 5 × 7 = 70

GCF Table

Number 1Number 2GCF
559105
5691014
579101
589102
599101
6091010
619101
629102
639107
649102
6591065
669102
679101
689102
699101
7091070
719101
729102
739101
749102
759105
769102
779107
7891026
799101
8091010
819101
829102
839101
8491014

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 910? (The answer is: 70). Select the first number (e.g. '70') and the second number (e.g. '910'). 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 910?

GCF of 70 and 910 is 70