Greatest Common Factor of 13, 46, 20, 138

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

• Greatest Common Factor of 13, 46, 20, 138 by common division method
• Greatest Common Factor of 13, 46, 20, 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 20

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

1,2,4,5,10,20

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 13,46,20,138 . The biggest common factor number is the GCF number.
So the greatest common factor 13,46,20,138 is 1.

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

• GCF of 25, 48, 53, 352
• GCF of 85, 10, 64, 747
• GCF of 58, 27, 60, 119
• GCF of 17, 83, 40, 823
• GCF of 94, 34, 20, 658

1. What is the GCF of 13, 46, 20, 138?

Answer: GCF of 13, 46, 20, 138 is 1.

2. How to Find the GCF of 13, 46, 20, 138

Answer: Greatest Common Factor(GCF) of 13, 46, 20, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 46, 20, 138) = 1.