Greatest Common Factor of 45, 69, 820

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

• Greatest Common Factor of 45, 69, 820 by common division method
• Greatest Common Factor of 45, 69, 820 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 45

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

1,3,5,9,15,45

Factors of 69

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

1,3,23,69

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 45,69,820 . The biggest common factor number is the GCF number.
So the greatest common factor 45,69,820 is 1.

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

• GCF of 44, 38, 681
• GCF of 86, 76, 732
• GCF of 69, 86, 326
• GCF of 85, 30, 482
• GCF of 34, 54, 221

1. What is the GCF of 45, 69, 820?

Answer: GCF of 45, 69, 820 is 1.

2. How to Find the GCF of 45, 69, 820

Answer: Greatest Common Factor(GCF) of 45, 69, 820 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 69, 820) = 1.