Greatest Common Factor of 67, 78, 47, 13

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

• Greatest Common Factor of 67, 78, 47, 13 by common division method
• Greatest Common Factor of 67, 78, 47, 13 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 67

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

1,67

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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Greatest Common Factor

We found the factors 67,78,47,13 . The biggest common factor number is the GCF number.
So the greatest common factor 67,78,47,13 is 1.

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

• GCF of 54, 72, 55, 45
• GCF of 66, 46, 89, 90
• GCF of 13, 81, 63, 69
• GCF of 74, 33, 37, 28
• GCF of 69, 56, 66, 28

1. What is the GCF of 67, 78, 47, 13?

Answer: GCF of 67, 78, 47, 13 is 1.

2. How to Find the GCF of 67, 78, 47, 13

Answer: Greatest Common Factor(GCF) of 67, 78, 47, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(67, 78, 47, 13) = 1.