Greatest Common Factor of 20, 171, 655

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

• Greatest Common Factor of 20, 171, 655 by common division method
• Greatest Common Factor of 20, 171, 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 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

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 20,171,655 . The biggest common factor number is the GCF number.
So the greatest common factor 20,171,655 is 1.

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

• GCF of 55, 182, 226
• GCF of 16, 577, 868
• GCF of 94, 402, 279
• GCF of 79, 374, 941
• GCF of 56, 224, 780

1. What is the GCF of 20, 171, 655?

Answer: GCF of 20, 171, 655 is 1.

2. How to Find the GCF of 20, 171, 655

Answer: Greatest Common Factor(GCF) of 20, 171, 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, 171, 655) = 1.