GCF for 30 and 135

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 30 and 135?

Answer: GCF of 30 and 135 is 15

(Fifteen)

Finding GCF for 30 and 135 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 135 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 135: 1, 3, 5, 9, 15, 27, 45, 135

So the Greatest Common Factor for 30 and 135 is 15

Finding GCF for 30 and 135 by Prime Factorization

The second method to find GCF for numbers 30 and 135 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 135: 3, 3, 3, 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

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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 135? (The answer is: 15). Select the first number (e.g. '30') and the second number (e.g. '135'). 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

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
1513515
161351
171351
181359
191351
201355
211353
221351
231351
241353
251355
261351
2713527
281351
291351
3013515
311351
321351
331353
341351
351355
361359
371351
381351
391353
401355
411351
421353
431351
441351

FAQ

What is the Greatest common Divisor of 30 and 135?

GCF of 30 and 135 is 15

See Also