Greatest Common Factor of 80, 684, 638

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

• Greatest Common Factor of 80, 684, 638 by common division method
• Greatest Common Factor of 80, 684, 638 with matching the biggest common factor

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

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Greatest Common Factor

We found the factors 80,684,638 . The biggest common factor number is the GCF number.
So the greatest common factor 80,684,638 is 2.

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

• GCF of 24, 731, 440
• GCF of 86, 764, 435
• GCF of 95, 240, 414
• GCF of 46, 439, 639
• GCF of 50, 629, 844

1. What is the GCF of 80, 684, 638?

Answer: GCF of 80, 684, 638 is 2.

2. How to Find the GCF of 80, 684, 638

Answer: Greatest Common Factor(GCF) of 80, 684, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(80, 684, 638) = 2.