Greatest Common Factor of 20, 11, 86, 655

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

• Greatest Common Factor of 20, 11, 86, 655 by common division method
• Greatest Common Factor of 20, 11, 86, 655 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 86

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

1,2,43,86

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Greatest Common Factor

We found the factors 20,11,86,655 . The biggest common factor number is the GCF number.
So the greatest common factor 20,11,86,655 is 1.

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

• GCF of 49, 64, 56, 652
• GCF of 44, 54, 20, 171
• GCF of 32, 54, 29, 766
• GCF of 36, 81, 10, 164
• GCF of 32, 13, 23, 860

1. What is the GCF of 20, 11, 86, 655?

Answer: GCF of 20, 11, 86, 655 is 1.

2. How to Find the GCF of 20, 11, 86, 655

Answer: Greatest Common Factor(GCF) of 20, 11, 86, 655 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 11, 86, 655) = 1.