Greatest Common Factor of 20, 86, 809, 130

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

• Greatest Common Factor of 20, 86, 809, 130 by common division method
• Greatest Common Factor of 20, 86, 809, 130 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 809

List of positive integer factors of 809 that divides 809 without a remainder.

1,809

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 20,86,809,130 . The biggest common factor number is the GCF number.
So the greatest common factor 20,86,809,130 is 1.

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

• GCF of 81, 49, 115, 318
• GCF of 84, 19, 507, 501
• GCF of 61, 50, 840, 346
• GCF of 32, 59, 987, 684
• GCF of 91, 17, 795, 304

1. What is the GCF of 20, 86, 809, 130?

Answer: GCF of 20, 86, 809, 130 is 1.

2. How to Find the GCF of 20, 86, 809, 130

Answer: Greatest Common Factor(GCF) of 20, 86, 809, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 86, 809, 130) = 1.