Greatest Common Factor of 686, 998, 620

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

• Greatest Common Factor of 686, 998, 620 by common division method
• Greatest Common Factor of 686, 998, 620 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 998

List of positive integer factors of 998 that divides 998 without a remainder.

1,2,499,998

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 686,998,620 . The biggest common factor number is the GCF number.
So the greatest common factor 686,998,620 is 2.

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

• GCF of 879, 571, 806
• GCF of 405, 654, 299
• GCF of 221, 526, 763
• GCF of 994, 368, 868
• GCF of 160, 716, 492

1. What is the GCF of 686, 998, 620?

Answer: GCF of 686, 998, 620 is 2.

2. How to Find the GCF of 686, 998, 620

Answer: Greatest Common Factor(GCF) of 686, 998, 620 = 2

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

Step 2: Then multiply all the prime factors GCF(686, 998, 620) = 2.