GCF for 50 and 255

What is the Greatest common Divisor of 50 and 255?

Answer: GCF of 50 and 255 is 5

(Five)

Finding GCF for 50 and 255 using all factors (divisors) listing

The first method to find GCF for numbers 50 and 255 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 255: 1, 3, 5, 15, 17, 51, 85, 255

So the Greatest Common Factor for 50 and 255 is 5

Finding GCF for 50 and 255 by Prime Factorization

The second method to find GCF for numbers 50 and 255 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 255: 3, 5, 17

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 50 and 255

GCF Table

Number 1Number 2GCF
352555
362553
372551
382551
392553
402555
412551
422553
432551
442551
4525515
462551
472551
482553
492551
502555
5125551
522551
532551
542553
552555
562551
572553
582551
592551
6025515
612551
622551
632553
642551

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 255? (The answer is: 5). Select the first number (e.g. '50') and the second number (e.g. '255'). 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 255?

GCF of 50 and 255 is 5