Greatest Common Factor of 820, 772, 81

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

• Greatest Common Factor of 820, 772, 81 by common division method
• Greatest Common Factor of 820, 772, 81 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 772

List of positive integer factors of 772 that divides 772 without a remainder.

1,2,4,193,386,772

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 820,772,81 . The biggest common factor number is the GCF number.
So the greatest common factor 820,772,81 is 1.

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

• GCF of 224, 278, 93
• GCF of 871, 918, 57
• GCF of 743, 747, 72
• GCF of 261, 741, 11
• GCF of 790, 207, 83

1. What is the GCF of 820, 772, 81?

Answer: GCF of 820, 772, 81 is 1.

2. How to Find the GCF of 820, 772, 81

Answer: Greatest Common Factor(GCF) of 820, 772, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(820, 772, 81) = 1.