Greatest Common Factor of 80, 54, 18, 978

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

• Greatest Common Factor of 80, 54, 18, 978 by common division method
• Greatest Common Factor of 80, 54, 18, 978 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 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Greatest Common Factor

We found the factors 80,54,18,978 . The biggest common factor number is the GCF number.
So the greatest common factor 80,54,18,978 is 2.

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

• GCF of 95, 96, 68, 857
• GCF of 47, 63, 48, 324
• GCF of 12, 94, 32, 715
• GCF of 54, 15, 22, 349
• GCF of 85, 73, 50, 758

1. What is the GCF of 80, 54, 18, 978?

Answer: GCF of 80, 54, 18, 978 is 2.

2. How to Find the GCF of 80, 54, 18, 978

Answer: Greatest Common Factor(GCF) of 80, 54, 18, 978 = 2

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

Step 2: Then multiply all the prime factors GCF(80, 54, 18, 978) = 2.