GCF for 84 and 196

What is the Greatest common Divisor of 84 and 196?

Answer: GCF of 84 and 196 is 28

(Twenty-eight)

Finding GCF for 84 and 196 using all factors (divisors) listing

The first method to find GCF for numbers 84 and 196 is to list all factors for both numbers and pick the highest common one:

All factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

All factors of 196: 1, 2, 4, 7, 14, 28, 49, 98, 196

So the Greatest Common Factor for 84 and 196 is 28

Finding GCF for 84 and 196 by Prime Factorization

The second method to find GCF for numbers 84 and 196 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 84: 2, 2, 3, 7

All Prime Factors of 196: 2, 2, 7, 7

As we can see there are Prime Factors common to both numbers: 2, 2, 7

Now we need to multiply them to find GCF: 2 × 2 × 7 = 28

Related Calculations

GCF Table

Number 1Number 2GCF
691961
7019614
711961
721964
731961
741962
751961
761964
771967
781962
791961
801964
811961
821962
831961
84196
851961
861962
871961
881964
891961
901962
911967
921964
931961
941962
951961
961964
971961
9819698

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 84 and 196? (The answer is: 28). Select the first number (e.g. '84') and the second number (e.g. '196'). 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 84 and 196?

GCF of 84 and 196 is 28