GCF for 30 and 365

What is the Greatest common Divisor of 30 and 365?

Answer: GCF of 30 and 365 is 5

(Five)

Finding GCF for 30 and 365 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 365 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 365: 1, 5, 73, 365

So the Greatest Common Factor for 30 and 365 is 5

Finding GCF for 30 and 365 by Prime Factorization

The second method to find GCF for numbers 30 and 365 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 365: 5, 73

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 365

Related Calculations

GCF Table

Number 1Number 2GCF
153655
163651
173651
183651
193651
203655
213651
223651
233651
243651
253655
263651
273651
283651
293651
303655
313651
323651
333651
343651
353655
363651
373651
383651
393651
403655
413651
423651
433651
443651

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 365? (The answer is: 5). Select the first number (e.g. '30') and the second number (e.g. '365'). 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 365?

GCF of 30 and 365 is 5