Greatest Common Factor of 78, 85, 49, 67

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

• Greatest Common Factor of 78, 85, 49, 67 by common division method
• Greatest Common Factor of 78, 85, 49, 67 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 67

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

1,67

Greatest Common Factor

We found the factors 78,85,49,67 . The biggest common factor number is the GCF number.
So the greatest common factor 78,85,49,67 is 1.

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

• GCF of 61, 36, 73, 28
• GCF of 17, 31, 27, 96
• GCF of 75, 46, 32, 69
• GCF of 91, 19, 56, 70
• GCF of 86, 68, 82, 68

1. What is the GCF of 78, 85, 49, 67?

Answer: GCF of 78, 85, 49, 67 is 1.

2. How to Find the GCF of 78, 85, 49, 67

Answer: Greatest Common Factor(GCF) of 78, 85, 49, 67 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 85, 49, 67) = 1.