Greatest Common Factor of 820, 770, 656

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 820, 770, 656 by common division method
• Greatest Common Factor of 820, 770, 656 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Factors of 656

List of positive integer factors of 656 that divides 656 without a remainder.

1,2,4,8,16,41,82,164,328,656

Greatest Common Factor

We found the factors 820,770,656 . The biggest common factor number is the GCF number.
So the greatest common factor 820,770,656 is 2.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 824, 545, 900
• GCF of 160, 570, 556
• GCF of 819, 212, 804
• GCF of 274, 240, 527
• GCF of 886, 785, 140

1. What is the GCF of 820, 770, 656?

Answer: GCF of 820, 770, 656 is 2.

2. How to Find the GCF of 820, 770, 656

Answer: Greatest Common Factor(GCF) of 820, 770, 656 = 2

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(820, 770, 656) = 2.