GCF for 84 and 224

What is the Greatest common Divisor of 84 and 224?

Answer: GCF of 84 and 224 is 28

(Twenty-eight)

Finding GCF for 84 and 224 using all factors (divisors) listing

The first method to find GCF for numbers 84 and 224 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 224: 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224

So the Greatest Common Factor for 84 and 224 is 28

Finding GCF for 84 and 224 by Prime Factorization

The second method to find GCF for numbers 84 and 224 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 224: 2, 2, 2, 2, 2, 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
692241
7022414
712241
722248
732241
742242
752241
762244
772247
782242
792241
8022416
812241
822242
832241
84224
852241
862242
872241
882248
892241
902242
912247
922244
932241
942242
952241
9622432
972241
9822414

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 224? (The answer is: 28). Select the first number (e.g. '84') and the second number (e.g. '224'). 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 224?

GCF of 84 and 224 is 28