Greatest Common Factor of 68, 34, 20, 100

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

• Greatest Common Factor of 68, 34, 20, 100 by common division method
• Greatest Common Factor of 68, 34, 20, 100 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 100

List of positive integer factors of 100 that divides 100 without a remainder.

1,2,4,5,10,20,25,50,100

Greatest Common Factor

We found the factors 68,34,20,100 . The biggest common factor number is the GCF number.
So the greatest common factor 68,34,20,100 is 2.

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

• GCF of 80, 95, 65, 573
• GCF of 19, 26, 47, 806
• GCF of 19, 76, 20, 898
• GCF of 39, 90, 42, 143
• GCF of 19, 38, 41, 721

1. What is the GCF of 68, 34, 20, 100?

Answer: GCF of 68, 34, 20, 100 is 2.

2. How to Find the GCF of 68, 34, 20, 100

Answer: Greatest Common Factor(GCF) of 68, 34, 20, 100 = 2

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

Step 2: Then multiply all the prime factors GCF(68, 34, 20, 100) = 2.