Greatest Common Factor of 689, 663, 208, 923

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

• Greatest Common Factor of 689, 663, 208, 923 by common division method
• Greatest Common Factor of 689, 663, 208, 923 with matching the biggest common factor

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∴ So the GCF of the given numbers is 13 = 13

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Factors of 208

List of positive integer factors of 208 that divides 208 without a remainder.

1,2,4,8,13,16,26,52,104,208

Factors of 923

List of positive integer factors of 923 that divides 923 without a remainder.

1,13,71,923

Greatest Common Factor

We found the factors 689,663,208,923 . The biggest common factor number is the GCF number.
So the greatest common factor 689,663,208,923 is 13.

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

• GCF of 907, 784, 893, 712
• GCF of 984, 573, 740, 919
• GCF of 340, 648, 596, 881
• GCF of 569, 763, 425, 964
• GCF of 953, 777, 585, 813

1. What is the GCF of 689, 663, 208, 923?

Answer: GCF of 689, 663, 208, 923 is 13.

2. How to Find the GCF of 689, 663, 208, 923

Answer: Greatest Common Factor(GCF) of 689, 663, 208, 923 = 13

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

Step 2: Then multiply all the prime factors GCF(689, 663, 208, 923) = 13.