GCF for 56 and 136

What is the Greatest common Divisor of 56 and 136?

Answer: GCF of 56 and 136 is 8

(Eight)

Finding GCF for 56 and 136 using all factors (divisors) listing

The first method to find GCF for numbers 56 and 136 is to list all factors for both numbers and pick the highest common one:

All factors of 56: 1, 2, 4, 7, 8, 14, 28, 56

All factors of 136: 1, 2, 4, 8, 17, 34, 68, 136

So the Greatest Common Factor for 56 and 136 is 8

Finding GCF for 56 and 136 by Prime Factorization

The second method to find GCF for numbers 56 and 136 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 56: 2, 2, 2, 7

All Prime Factors of 136: 2, 2, 2, 17

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

Now we need to multiply them to find GCF: 2 × 2 × 2 = 8

GCF Table

Number 1Number 2GCF
411361
421362
431361
441364
451361
461362
471361
481368
491361
501362
5113617
521364
531361
541362
551361
56136
571361
581362
591361
601364
611361
621362
631361
641368
651361
661362
671361
6813668
691361
701362

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 Divisor of 56 and 136? (The answer is: 8). Select the first number (e.g. '56') and the second number (e.g. '136'). 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 Divisor of 56 and 136?

GCF of 56 and 136 is 8