Greatest Common Factor of 20, 59, 72, 687

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

• Greatest Common Factor of 20, 59, 72, 687 by common division method
• Greatest Common Factor of 20, 59, 72, 687 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 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

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 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Greatest Common Factor

We found the factors 20,59,72,687 . The biggest common factor number is the GCF number.
So the greatest common factor 20,59,72,687 is 1.

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

• GCF of 78, 97, 99, 925
• GCF of 95, 15, 89, 596
• GCF of 57, 12, 99, 364
• GCF of 73, 61, 15, 848
• GCF of 23, 78, 38, 180

1. What is the GCF of 20, 59, 72, 687?

Answer: GCF of 20, 59, 72, 687 is 1.

2. How to Find the GCF of 20, 59, 72, 687

Answer: Greatest Common Factor(GCF) of 20, 59, 72, 687 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 59, 72, 687) = 1.