Greatest Common Factor of 20, 711, 721

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

• Greatest Common Factor of 20, 711, 721 by common division method
• Greatest Common Factor of 20, 711, 721 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 711

List of positive integer factors of 711 that divides 711 without a remainder.

1,3,9,79,237,711

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 20,711,721 . The biggest common factor number is the GCF number.
So the greatest common factor 20,711,721 is 1.

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

• GCF of 98, 875, 683
• GCF of 72, 443, 651
• GCF of 81, 870, 230
• GCF of 81, 825, 653
• GCF of 25, 799, 486

1. What is the GCF of 20, 711, 721?

Answer: GCF of 20, 711, 721 is 1.

2. How to Find the GCF of 20, 711, 721

Answer: Greatest Common Factor(GCF) of 20, 711, 721 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 711, 721) = 1.