Greatest Common Factor of 639, 588, 20

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

• Greatest Common Factor of 639, 588, 20 by common division method
• Greatest Common Factor of 639, 588, 20 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 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Factors of 588

List of positive integer factors of 588 that divides 588 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,49,84,98,147,196,294,588

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 639,588,20 . The biggest common factor number is the GCF number.
So the greatest common factor 639,588,20 is 1.

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

• GCF of 588, 935, 48
• GCF of 143, 734, 99
• GCF of 965, 342, 90
• GCF of 859, 847, 82
• GCF of 317, 155, 82

1. What is the GCF of 639, 588, 20?

Answer: GCF of 639, 588, 20 is 1.

2. How to Find the GCF of 639, 588, 20

Answer: Greatest Common Factor(GCF) of 639, 588, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(639, 588, 20) = 1.