Greatest Common Factor of 69, 18, 39, 855

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

• Greatest Common Factor of 69, 18, 39, 855 by common division method
• Greatest Common Factor of 69, 18, 39, 855 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Greatest Common Factor

We found the factors 69,18,39,855 . The biggest common factor number is the GCF number.
So the greatest common factor 69,18,39,855 is 3.

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

• GCF of 52, 17, 37, 493
• GCF of 27, 54, 80, 804
• GCF of 12, 39, 47, 933
• GCF of 38, 55, 35, 592
• GCF of 32, 44, 25, 387

1. What is the GCF of 69, 18, 39, 855?

Answer: GCF of 69, 18, 39, 855 is 3.

2. How to Find the GCF of 69, 18, 39, 855

Answer: Greatest Common Factor(GCF) of 69, 18, 39, 855 = 3

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

Step 2: Then multiply all the prime factors GCF(69, 18, 39, 855) = 3.