Greatest Common Factor of 620, 676, 81

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

• Greatest Common Factor of 620, 676, 81 by common division method
• Greatest Common Factor of 620, 676, 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 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Factors of 676

List of positive integer factors of 676 that divides 676 without a remainder.

1,2,4,13,26,52,169,338,676

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 620,676,81 . The biggest common factor number is the GCF number.
So the greatest common factor 620,676,81 is 1.

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

• GCF of 813, 843, 61
• GCF of 597, 135, 43
• GCF of 877, 403, 69
• GCF of 784, 122, 61
• GCF of 267, 650, 29

1. What is the GCF of 620, 676, 81?

Answer: GCF of 620, 676, 81 is 1.

2. How to Find the GCF of 620, 676, 81

Answer: Greatest Common Factor(GCF) of 620, 676, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(620, 676, 81) = 1.