Greatest Common Factor of 820, 261

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

• Greatest Common Factor of 820, 261 by common division method
• Greatest Common Factor of 820, 261 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 261

List of positive integer factors of 261 that divides 261 without a remainder.

1,3,9,29,87,261

Greatest Common Factor

We found the factors 820,261 . The biggest common factor number is the GCF number.
So the greatest common factor 820,261 is 1.

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

• GCF of 961, 544
• GCF of 434, 837
• GCF of 814, 111
• GCF of 655, 181
• GCF of 970, 663

1. What is the GCF of 820, 261?

Answer: GCF of 820, 261 is 1.

2. How to Find the GCF of 820, 261

Answer: Greatest Common Factor(GCF) of 820, 261 = 1

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

Step 2: Then multiply all the prime factors GCF(820, 261) = 1.