Greatest Common Factor of 686, 68

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

• Greatest Common Factor of 686, 68 by common division method
• Greatest Common Factor of 686, 68 with matching the biggest common factor

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

Factors of 686

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

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

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Greatest Common Factor

We found the factors 686,68 . The biggest common factor number is the GCF number.
So the greatest common factor 686,68 is 2.

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

• GCF of 879, 41
• GCF of 133, 77
• GCF of 199, 20
• GCF of 738, 21
• GCF of 606, 37

1. What is the GCF of 686, 68?

Answer: GCF of 686, 68 is 2.

2. How to Find the GCF of 686, 68

Answer: Greatest Common Factor(GCF) of 686, 68 = 2

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

Step 2: Then multiply all the prime factors GCF(686, 68) = 2.