Greatest Common Factor of 686, 210, 84

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

• Greatest Common Factor of 686, 210, 84 by common division method
• Greatest Common Factor of 686, 210, 84 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 7 = 14

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 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 686,210,84 . The biggest common factor number is the GCF number.
So the greatest common factor 686,210,84 is 14.

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

• GCF of 504, 145, 96
• GCF of 376, 535, 90
• GCF of 723, 587, 40
• GCF of 946, 649, 58
• GCF of 634, 873, 38

1. What is the GCF of 686, 210, 84?

Answer: GCF of 686, 210, 84 is 14.

2. How to Find the GCF of 686, 210, 84

Answer: Greatest Common Factor(GCF) of 686, 210, 84 = 14

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

Step 2: Then multiply all the prime factors GCF(686, 210, 84) = 14.