Greatest Common Factor of 52, 91, 42, 138

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

• Greatest Common Factor of 52, 91, 42, 138 by common division method
• Greatest Common Factor of 52, 91, 42, 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 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 52,91,42,138 . The biggest common factor number is the GCF number.
So the greatest common factor 52,91,42,138 is 1.

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

• GCF of 28, 39, 24, 235
• GCF of 64, 59, 80, 979
• GCF of 20, 18, 80, 289
• GCF of 24, 70, 29, 128
• GCF of 13, 17, 54, 478

1. What is the GCF of 52, 91, 42, 138?

Answer: GCF of 52, 91, 42, 138 is 1.

2. How to Find the GCF of 52, 91, 42, 138

Answer: Greatest Common Factor(GCF) of 52, 91, 42, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(52, 91, 42, 138) = 1.