Greatest Common Factor of 84, 20, 641

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

• Greatest Common Factor of 84, 20, 641 by common division method
• Greatest Common Factor of 84, 20, 641 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 20

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

1,2,4,5,10,20

Factors of 641

List of positive integer factors of 641 that divides 641 without a remainder.

1,641

Greatest Common Factor

We found the factors 84,20,641 . The biggest common factor number is the GCF number.
So the greatest common factor 84,20,641 is 1.

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

• GCF of 13, 92, 887
• GCF of 96, 70, 685
• GCF of 54, 55, 854
• GCF of 42, 60, 935
• GCF of 20, 66, 407

1. What is the GCF of 84, 20, 641?

Answer: GCF of 84, 20, 641 is 1.

2. How to Find the GCF of 84, 20, 641

Answer: Greatest Common Factor(GCF) of 84, 20, 641 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 20, 641) = 1.