GCF for 50 and 780

What is the Greatest common Divisor of 50 and 780?

Answer: GCF of 50 and 780 is 10

(Ten)

Finding GCF for 50 and 780 using all factors (divisors) listing

The first method to find GCF for numbers 50 and 780 is to list all factors for both numbers and pick the highest common one:

All factors of 50: 1, 2, 5, 10, 25, 50

All factors of 780: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

So the Greatest Common Factor for 50 and 780 is 10

Finding GCF for 50 and 780 by Prime Factorization

The second method to find GCF for numbers 50 and 780 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 50: 2, 5, 5

All Prime Factors of 780: 2, 2, 3, 5, 13

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
357805
3678012
377801
387802
3978039
4078020
417801
427806
437801
447804
4578015
467802
477801
4878012
497801
5078010
517803
5278052
537801
547806
557805
567804
577803
587802
597801
6078060
617801
627802
637803
647804

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 50 and 780? (The answer is: 10). Select the first number (e.g. '50') and the second number (e.g. '780'). 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 50 and 780?

GCF of 50 and 780 is 10