Greatest Common Factor of 22, 78, 20, 130

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

• Greatest Common Factor of 22, 78, 20, 130 by common division method
• Greatest Common Factor of 22, 78, 20, 130 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 20

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

1,2,4,5,10,20

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 22,78,20,130 . The biggest common factor number is the GCF number.
So the greatest common factor 22,78,20,130 is 2.

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

• GCF of 75, 48, 17, 541
• GCF of 88, 59, 69, 546
• GCF of 21, 92, 98, 123
• GCF of 37, 77, 39, 994
• GCF of 30, 25, 29, 513

1. What is the GCF of 22, 78, 20, 130?

Answer: GCF of 22, 78, 20, 130 is 2.

2. How to Find the GCF of 22, 78, 20, 130

Answer: Greatest Common Factor(GCF) of 22, 78, 20, 130 = 2

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

Step 2: Then multiply all the prime factors GCF(22, 78, 20, 130) = 2.