Greatest Common Factor of 138, 424, 686

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

• Greatest Common Factor of 138, 424, 686 by common division method
• Greatest Common Factor of 138, 424, 686 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 138

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

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

Factors of 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Factors of 686

List of positive integer factors of 686 that divides 686 without a remainder.

1,2,7,14,49,98,343,686

Greatest Common Factor

We found the factors 138,424,686 . The biggest common factor number is the GCF number.
So the greatest common factor 138,424,686 is 2.

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

• GCF of 256, 419, 201
• GCF of 404, 119, 279
• GCF of 492, 952, 688
• GCF of 389, 379, 887
• GCF of 955, 177, 814

1. What is the GCF of 138, 424, 686?

Answer: GCF of 138, 424, 686 is 2.

2. How to Find the GCF of 138, 424, 686

Answer: Greatest Common Factor(GCF) of 138, 424, 686 = 2

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

Step 2: Then multiply all the prime factors GCF(138, 424, 686) = 2.