GCF for 34 and 153

What is the Greatest common Divisor of 34 and 153?

Answer: GCF of 34 and 153 is 17

(Seventeen)

Finding GCF for 34 and 153 using all factors (divisors) listing

The first method to find GCF for numbers 34 and 153 is to list all factors for both numbers and pick the highest common one:

All factors of 34: 1, 2, 17, 34

All factors of 153: 1, 3, 9, 17, 51, 153

So the Greatest Common Factor for 34 and 153 is 17

Finding GCF for 34 and 153 by Prime Factorization

The second method to find GCF for numbers 34 and 153 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 34: 2, 17

All Prime Factors of 153: 3, 3, 17

As we can see there is only one Prime Factor common to both numbers. It is 17

So 17 is the Greatest Common Factor of 34 and 153

GCF Table

Number 1Number 2GCF
191531
201531
211533
221531
231531
241533
251531
261531
271539
281531
291531
301533
311531
321531
331533
34153
351531
361539
371531
381531
391533
401531
411531
421533
431531
441531
451539
461531
471531
481533

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 34 and 153? (The answer is: 17). Select the first number (e.g. '34') and the second number (e.g. '153'). 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 34 and 153?

GCF of 34 and 153 is 17