Greatest Common Factor of 20, 109, 147

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

• Greatest Common Factor of 20, 109, 147 by common division method
• Greatest Common Factor of 20, 109, 147 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 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

Factors of 147

List of positive integer factors of 147 that divides 147 without a remainder.

1,3,7,21,49,147

Greatest Common Factor

We found the factors 20,109,147 . The biggest common factor number is the GCF number.
So the greatest common factor 20,109,147 is 1.

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

• GCF of 10, 106, 576
• GCF of 37, 499, 789
• GCF of 34, 243, 559
• GCF of 99, 157, 578
• GCF of 41, 275, 802

1. What is the GCF of 20, 109, 147?

Answer: GCF of 20, 109, 147 is 1.

2. How to Find the GCF of 20, 109, 147

Answer: Greatest Common Factor(GCF) of 20, 109, 147 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 109, 147) = 1.