GCF for 45 and 135

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 45 and 135?

Answer: GCF of 45 and 135 is 45

(Forty-five)

Finding GCF for 45 and 135 using all factors (divisors) listing

The first method to find GCF for numbers 45 and 135 is to list all factors for both numbers and pick the highest common one:

All factors of 45: 1, 3, 5, 9, 15, 45

All factors of 135: 1, 3, 5, 9, 15, 27, 45, 135

So the Greatest Common Factor for 45 and 135 is 45

Finding GCF for 45 and 135 by Prime Factorization

The second method to find GCF for numbers 45 and 135 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 45: 3, 3, 5

All Prime Factors of 135: 3, 3, 3, 5

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

Now we need to multiply them to find GCF: 3 × 3 × 5 = 45

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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 45 and 135? (The answer is: 45). Select the first number (e.g. '45') 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
3013515
311351
321351
331353
341351
351355
361359
371351
381351
391353
401355
411351
421353
431351
441351
4513545
461351
471351
481353
491351
501355
511353
521351
531351
5413527
551355
561351
571353
581351
591351

FAQ

What is the Greatest common Divisor of 45 and 135?

GCF of 45 and 135 is 45

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