Greatest Common Factor of 78, 6, 67, 28

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

• Greatest Common Factor of 78, 6, 67, 28 by common division method
• Greatest Common Factor of 78, 6, 67, 28 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 78

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

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

Factors of 6

List of positive integer factors of 6 that divides 6 without a remainder.

1,2,3,6

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 78,6,67,28 . The biggest common factor number is the GCF number.
So the greatest common factor 78,6,67,28 is 1.

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

• GCF of 40, 8, 57, 92
• GCF of 75, 9, 79, 34
• GCF of 76, 5, 37, 14
• GCF of 70, 4, 72, 15
• GCF of 64, 4, 10, 96

1. What is the GCF of 78, 6, 67, 28?

Answer: GCF of 78, 6, 67, 28 is 1.

2. How to Find the GCF of 78, 6, 67, 28

Answer: Greatest Common Factor(GCF) of 78, 6, 67, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 6, 67, 28) = 1.