Greatest Common Factor of 20, 69, 45, 807

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

• Greatest Common Factor of 20, 69, 45, 807 by common division method
• Greatest Common Factor of 20, 69, 45, 807 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 20

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

1,2,4,5,10,20

Factors of 69

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

1,3,23,69

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 807

List of positive integer factors of 807 that divides 807 without a remainder.

1,3,269,807

Greatest Common Factor

We found the factors 20,69,45,807 . The biggest common factor number is the GCF number.
So the greatest common factor 20,69,45,807 is 1.

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

• GCF of 57, 54, 16, 765
• GCF of 52, 95, 82, 170
• GCF of 80, 28, 62, 952
• GCF of 65, 16, 47, 574
• GCF of 25, 42, 10, 626

1. What is the GCF of 20, 69, 45, 807?

Answer: GCF of 20, 69, 45, 807 is 1.

2. How to Find the GCF of 20, 69, 45, 807

Answer: Greatest Common Factor(GCF) of 20, 69, 45, 807 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 69, 45, 807) = 1.