Greatest Common Factor of 20, 96, 638

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

• Greatest Common Factor of 20, 96, 638 by common division method
• Greatest Common Factor of 20, 96, 638 with matching the biggest common factor

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

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 96

List of positive integer factors of 96 that divides 96 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,96

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 20,96,638 . The biggest common factor number is the GCF number.
So the greatest common factor 20,96,638 is 2.

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

• GCF of 43, 52, 189
• GCF of 82, 74, 345
• GCF of 14, 50, 296
• GCF of 42, 92, 415
• GCF of 50, 42, 365

1. What is the GCF of 20, 96, 638?

Answer: GCF of 20, 96, 638 is 2.

2. How to Find the GCF of 20, 96, 638

Answer: Greatest Common Factor(GCF) of 20, 96, 638 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 96, 638) = 2.