Greatest Common Factor of 78, 18, 56, 158

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

• Greatest Common Factor of 78, 18, 56, 158 by common division method
• Greatest Common Factor of 78, 18, 56, 158 with matching the biggest common factor

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

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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

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 158

List of positive integer factors of 158 that divides 158 without a remainder.

1,2,79,158

Greatest Common Factor

We found the factors 78,18,56,158 . The biggest common factor number is the GCF number.
So the greatest common factor 78,18,56,158 is 2.

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

• GCF of 88, 47, 92, 362
• GCF of 42, 86, 31, 683
• GCF of 37, 21, 69, 665
• GCF of 92, 14, 89, 664
• GCF of 86, 59, 98, 350

1. What is the GCF of 78, 18, 56, 158?

Answer: GCF of 78, 18, 56, 158 is 2.

2. How to Find the GCF of 78, 18, 56, 158

Answer: Greatest Common Factor(GCF) of 78, 18, 56, 158 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 18, 56, 158) = 2.