Greatest Common Factor of 20, 65, 443

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

• Greatest Common Factor of 20, 65, 443 by common division method
• Greatest Common Factor of 20, 65, 443 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 65

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

1,5,13,65

Factors of 443

List of positive integer factors of 443 that divides 443 without a remainder.

1,443

Greatest Common Factor

We found the factors 20,65,443 . The biggest common factor number is the GCF number.
So the greatest common factor 20,65,443 is 1.

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

• GCF of 65, 81, 651
• GCF of 63, 56, 273
• GCF of 86, 71, 179
• GCF of 60, 39, 963
• GCF of 32, 60, 247

1. What is the GCF of 20, 65, 443?

Answer: GCF of 20, 65, 443 is 1.

2. How to Find the GCF of 20, 65, 443

Answer: Greatest Common Factor(GCF) of 20, 65, 443 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 65, 443) = 1.