Greatest Common Factor of 20, 37, 48, 138

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

• Greatest Common Factor of 20, 37, 48, 138 by common division method
• Greatest Common Factor of 20, 37, 48, 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 20

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

1,2,4,5,10,20

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

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 20,37,48,138 . The biggest common factor number is the GCF number.
So the greatest common factor 20,37,48,138 is 1.

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

• GCF of 11, 81, 96, 339
• GCF of 79, 48, 68, 640
• GCF of 80, 77, 28, 390
• GCF of 64, 72, 70, 916
• GCF of 80, 39, 85, 217

1. What is the GCF of 20, 37, 48, 138?

Answer: GCF of 20, 37, 48, 138 is 1.

2. How to Find the GCF of 20, 37, 48, 138

Answer: Greatest Common Factor(GCF) of 20, 37, 48, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 37, 48, 138) = 1.