Greatest Common Factor of 34, 20, 47, 678

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

• Greatest Common Factor of 34, 20, 47, 678 by common division method
• Greatest Common Factor of 34, 20, 47, 678 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 47

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

1,47

Factors of 678

List of positive integer factors of 678 that divides 678 without a remainder.

1,2,3,6,113,226,339,678

Greatest Common Factor

We found the factors 34,20,47,678 . The biggest common factor number is the GCF number.
So the greatest common factor 34,20,47,678 is 1.

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

• GCF of 36, 17, 25, 945
• GCF of 75, 93, 54, 891
• GCF of 18, 45, 98, 801
• GCF of 72, 39, 45, 761
• GCF of 67, 59, 61, 491

1. What is the GCF of 34, 20, 47, 678?

Answer: GCF of 34, 20, 47, 678 is 1.

2. How to Find the GCF of 34, 20, 47, 678

Answer: Greatest Common Factor(GCF) of 34, 20, 47, 678 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 20, 47, 678) = 1.