Greatest Common Factor of 78, 97, 75, 36, 12

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

• Greatest Common Factor of 78, 97, 75, 36, 12 by common division method
• Greatest Common Factor of 78, 97, 75, 36, 12 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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 78,97,75,36,12 . The biggest common factor number is the GCF number.
So the greatest common factor 78,97,75,36,12 is 1.

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

• GCF of 40, 82, 95, 89, 16
• GCF of 99, 65, 22, 65, 68
• GCF of 56, 69, 35, 26, 19
• GCF of 48, 86, 21, 28, 49
• GCF of 35, 71, 96, 29, 90

1. What is the GCF of 78, 97, 75, 36, 12?

Answer: GCF of 78, 97, 75, 36, 12 is 1.

2. How to Find the GCF of 78, 97, 75, 36, 12

Answer: Greatest Common Factor(GCF) of 78, 97, 75, 36, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 97, 75, 36, 12) = 1.