GCF for 70 and 480

What is the Greatest Common Factor of 70 and 480?

Answer: GCF of 70 and 480 is 10

(Ten)

Finding GCF for 70 and 480 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 480 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 480: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480

So the Greatest Common Factor for 70 and 480 is 10

Finding GCF for 70 and 480 by Prime Factorization

The second method to find GCF for numbers 70 and 480 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 480: 2, 2, 2, 2, 2, 3, 5

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

Now we need to multiply them to find GCF: 2 × 5 = 10

GCF Table

Number 1Number 2GCF
554805
564808
574803
584802
594801
6048060
614801
624802
634803
6448032
654805
664806
674801
684804
694803
7048010
714801
7248024
734801
744802
7548015
764804
774801
784806
794801
8048080
814803
824802
834801
8448012

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 480? (The answer is: 10). Select the first number (e.g. '70') and the second number (e.g. '480'). 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 480?

GCF of 70 and 480 is 10