Greatest Common Factor of 80, 32, 51, 138

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

• Greatest Common Factor of 80, 32, 51, 138 by common division method
• Greatest Common Factor of 80, 32, 51, 138 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 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 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 80,32,51,138 . The biggest common factor number is the GCF number.
So the greatest common factor 80,32,51,138 is 1.

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

• GCF of 67, 53, 12, 717
• GCF of 16, 19, 30, 145
• GCF of 60, 93, 80, 191
• GCF of 95, 91, 51, 239
• GCF of 62, 55, 25, 414

1. What is the GCF of 80, 32, 51, 138?

Answer: GCF of 80, 32, 51, 138 is 1.

2. How to Find the GCF of 80, 32, 51, 138

Answer: Greatest Common Factor(GCF) of 80, 32, 51, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 32, 51, 138) = 1.