Greatest Common Factor of 78, 78, 36, 85

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

• Greatest Common Factor of 78, 78, 36, 85 by common division method
• Greatest Common Factor of 78, 78, 36, 85 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 78

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

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

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 85

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

1,5,17,85

Greatest Common Factor

We found the factors 78,78,36,85 . The biggest common factor number is the GCF number.
So the greatest common factor 78,78,36,85 is 1.

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

• GCF of 69, 28, 12, 90
• GCF of 79, 44, 81, 70
• GCF of 79, 83, 73, 79
• GCF of 62, 12, 58, 99
• GCF of 78, 85, 22, 60

1. What is the GCF of 78, 78, 36, 85?

Answer: GCF of 78, 78, 36, 85 is 1.

2. How to Find the GCF of 78, 78, 36, 85

Answer: Greatest Common Factor(GCF) of 78, 78, 36, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 78, 36, 85) = 1.