Greatest Common Factor of 72, 65, 820

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

• Greatest Common Factor of 72, 65, 820 by common division method
• Greatest Common Factor of 72, 65, 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

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 72,65,820 . The biggest common factor number is the GCF number.
So the greatest common factor 72,65,820 is 1.

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

• GCF of 33, 29, 697
• GCF of 80, 66, 383
• GCF of 34, 74, 177
• GCF of 81, 64, 847
• GCF of 60, 67, 921

1. What is the GCF of 72, 65, 820?

Answer: GCF of 72, 65, 820 is 1.

2. How to Find the GCF of 72, 65, 820

Answer: Greatest Common Factor(GCF) of 72, 65, 820 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 65, 820) = 1.