GCF for 30 and 375

What is the Greatest common Divisor of 30 and 375?

Answer: GCF of 30 and 375 is 15

(Fifteen)

Finding GCF for 30 and 375 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 375 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 375: 1, 3, 5, 15, 25, 75, 125, 375

So the Greatest Common Factor for 30 and 375 is 15

Finding GCF for 30 and 375 by Prime Factorization

The second method to find GCF for numbers 30 and 375 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 375: 3, 5, 5, 5

As we can see there are Prime Factors common to both numbers: 3, 5

Now we need to multiply them to find GCF: 3 × 5 = 15

Related Calculations

GCF Table

Number 1Number 2GCF
1537515
163751
173751
183753
193751
203755
213753
223751
233751
243753
2537525
263751
273753
283751
293751
3037515
313751
323751
333753
343751
353755
363753
373751
383751
393753
403755
413751
423753
433751
443751

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 375? (The answer is: 15). Select the first number (e.g. '30') and the second number (e.g. '375'). 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 375?

GCF of 30 and 375 is 15