Greatest Common Factor of 56, 14, 78, 138

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

• Greatest Common Factor of 56, 14, 78, 138 by common division method
• Greatest Common Factor of 56, 14, 78, 138 with matching the biggest common factor

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

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 56,14,78,138 . The biggest common factor number is the GCF number.
So the greatest common factor 56,14,78,138 is 2.

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

• GCF of 47, 34, 36, 418
• GCF of 60, 86, 40, 327
• GCF of 42, 96, 75, 886
• GCF of 66, 38, 88, 993
• GCF of 21, 21, 40, 141

1. What is the GCF of 56, 14, 78, 138?

Answer: GCF of 56, 14, 78, 138 is 2.

2. How to Find the GCF of 56, 14, 78, 138

Answer: Greatest Common Factor(GCF) of 56, 14, 78, 138 = 2

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

Step 2: Then multiply all the prime factors GCF(56, 14, 78, 138) = 2.