Greatest Common Factor of 20, 28, 35

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

• Greatest Common Factor of 20, 28, 35 by common division method
• Greatest Common Factor of 20, 28, 35 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Greatest Common Factor

We found the factors 20,28,35 . The biggest common factor number is the GCF number.
So the greatest common factor 20,28,35 is 1.

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

• GCF of 44, 90, 22
• GCF of 41, 90, 64
• GCF of 24, 23, 92
• GCF of 14, 21, 39
• GCF of 27, 26, 22

1. What is the GCF of 20, 28, 35?

Answer: GCF of 20, 28, 35 is 1.

2. How to Find the GCF of 20, 28, 35

Answer: Greatest Common Factor(GCF) of 20, 28, 35 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 28, 35) = 1.