GCF for 50 and 155

What is the Greatest common Divisor of 50 and 155?

Answer: GCF of 50 and 155 is 5

(Five)

Finding GCF for 50 and 155 using all factors (divisors) listing

The first method to find GCF for numbers 50 and 155 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 155: 1, 5, 31, 155

So the Greatest Common Factor for 50 and 155 is 5

Finding GCF for 50 and 155 by Prime Factorization

The second method to find GCF for numbers 50 and 155 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 155: 5, 31

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 155

GCF Table

Number 1Number 2GCF
351555
361551
371551
381551
391551
401555
411551
421551
431551
441551
451555
461551
471551
481551
491551
501555
511551
521551
531551
541551
551555
561551
571551
581551
591551
601555
611551
6215531
631551
641551

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 155? (The answer is: 5). Select the first number (e.g. '50') and the second number (e.g. '155'). 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 155?

GCF of 50 and 155 is 5