GCF for 30 and 235

What is the Greatest common Divisor of 30 and 235?

Answer: GCF of 30 and 235 is 5

(Five)

Finding GCF for 30 and 235 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 235 is to list all factors for both numbers and pick the highest common one:

All factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

All factors of 235: 1, 5, 47, 235

So the Greatest Common Factor for 30 and 235 is 5

Finding GCF for 30 and 235 by Prime Factorization

The second method to find GCF for numbers 30 and 235 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 30: 2, 3, 5

All Prime Factors of 235: 5, 47

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 30 and 235

Related Calculations

GCF Table

Number 1Number 2GCF
152355
162351
172351
182351
192351
202355
212351
222351
232351
242351
252355
262351
272351
282351
292351
302355
312351
322351
332351
342351
352355
362351
372351
382351
392351
402355
412351
422351
432351
442351

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 30 and 235? (The answer is: 5). Select the first number (e.g. '30') and the second number (e.g. '235'). 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 30 and 235?

GCF of 30 and 235 is 5