Greatest Common Factor of 69, 20, 66, 389

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

• Greatest Common Factor of 69, 20, 66, 389 by common division method
• Greatest Common Factor of 69, 20, 66, 389 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 69

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

1,3,23,69

Factors of 20

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

1,2,4,5,10,20

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors 69,20,66,389 . The biggest common factor number is the GCF number.
So the greatest common factor 69,20,66,389 is 1.

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

• GCF of 52, 24, 92, 848
• GCF of 66, 69, 64, 277
• GCF of 63, 40, 82, 910
• GCF of 52, 33, 28, 424
• GCF of 94, 19, 78, 645

1. What is the GCF of 69, 20, 66, 389?

Answer: GCF of 69, 20, 66, 389 is 1.

2. How to Find the GCF of 69, 20, 66, 389

Answer: Greatest Common Factor(GCF) of 69, 20, 66, 389 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 20, 66, 389) = 1.