Greatest Common Factor of 765, 770, 820

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

• Greatest Common Factor of 765, 770, 820 by common division method
• Greatest Common Factor of 765, 770, 820 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 765

List of positive integer factors of 765 that divides 765 without a remainder.

1,3,5,9,15,17,45,51,85,153,255,765

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 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

Greatest Common Factor

We found the factors 765,770,820 . The biggest common factor number is the GCF number.
So the greatest common factor 765,770,820 is 5.

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

• GCF of 622, 801, 719
• GCF of 870, 874, 505
• GCF of 813, 659, 491
• GCF of 656, 813, 868
• GCF of 815, 420, 375

1. What is the GCF of 765, 770, 820?

Answer: GCF of 765, 770, 820 is 5.

2. How to Find the GCF of 765, 770, 820

Answer: Greatest Common Factor(GCF) of 765, 770, 820 = 5

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

Step 2: Then multiply all the prime factors GCF(765, 770, 820) = 5.