Greatest Common Factor of 20, 645, 344

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

• Greatest Common Factor of 20, 645, 344 by common division method
• Greatest Common Factor of 20, 645, 344 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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 344

List of positive integer factors of 344 that divides 344 without a remainder.

1,2,4,8,43,86,172,344

Greatest Common Factor

We found the factors 20,645,344 . The biggest common factor number is the GCF number.
So the greatest common factor 20,645,344 is 1.

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

• GCF of 62, 173, 658
• GCF of 48, 942, 827
• GCF of 66, 956, 825
• GCF of 74, 567, 864
• GCF of 82, 406, 854

1. What is the GCF of 20, 645, 344?

Answer: GCF of 20, 645, 344 is 1.

2. How to Find the GCF of 20, 645, 344

Answer: Greatest Common Factor(GCF) of 20, 645, 344 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 645, 344) = 1.