Greatest Common Factor of 72, 20, 205

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

• Greatest Common Factor of 72, 20, 205 by common division method
• Greatest Common Factor of 72, 20, 205 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 20

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

1,2,4,5,10,20

Factors of 205

List of positive integer factors of 205 that divides 205 without a remainder.

1,5,41,205

Greatest Common Factor

We found the factors 72,20,205 . The biggest common factor number is the GCF number.
So the greatest common factor 72,20,205 is 1.

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

• GCF of 95, 85, 531
• GCF of 91, 69, 689
• GCF of 80, 34, 408
• GCF of 33, 49, 129
• GCF of 40, 93, 967

1. What is the GCF of 72, 20, 205?

Answer: GCF of 72, 20, 205 is 1.

2. How to Find the GCF of 72, 20, 205

Answer: Greatest Common Factor(GCF) of 72, 20, 205 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 20, 205) = 1.