Greatest Common Factor of 638, 165, 22

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

• Greatest Common Factor of 638, 165, 22 by common division method
• Greatest Common Factor of 638, 165, 22 with matching the biggest common factor

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∴ So the GCF of the given numbers is 11 = 11

Factors of 638

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

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

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Greatest Common Factor

We found the factors 638,165,22 . The biggest common factor number is the GCF number.
So the greatest common factor 638,165,22 is 11.

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

• GCF of 636, 640, 12
• GCF of 300, 773, 21
• GCF of 165, 633, 60
• GCF of 618, 706, 37
• GCF of 781, 982, 69

1. What is the GCF of 638, 165, 22?

Answer: GCF of 638, 165, 22 is 11.

2. How to Find the GCF of 638, 165, 22

Answer: Greatest Common Factor(GCF) of 638, 165, 22 = 11

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

Step 2: Then multiply all the prime factors GCF(638, 165, 22) = 11.