Greatest Common Factor of 80, 20, 102

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

• Greatest Common Factor of 80, 20, 102 by common division method
• Greatest Common Factor of 80, 20, 102 with matching the biggest common factor

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

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 20

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

1,2,4,5,10,20

Factors of 102

List of positive integer factors of 102 that divides 102 without a remainder.

1,2,3,6,17,34,51,102

Greatest Common Factor

We found the factors 80,20,102 . The biggest common factor number is the GCF number.
So the greatest common factor 80,20,102 is 2.

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

• GCF of 59, 16, 660
• GCF of 75, 53, 408
• GCF of 25, 32, 388
• GCF of 48, 75, 749
• GCF of 36, 89, 131

1. What is the GCF of 80, 20, 102?

Answer: GCF of 80, 20, 102 is 2.

2. How to Find the GCF of 80, 20, 102

Answer: Greatest Common Factor(GCF) of 80, 20, 102 = 2

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

Step 2: Then multiply all the prime factors GCF(80, 20, 102) = 2.