Greatest Common Factor of 20, 19, 58, 720

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

• Greatest Common Factor of 20, 19, 58, 720 by common division method
• Greatest Common Factor of 20, 19, 58, 720 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Greatest Common Factor

We found the factors 20,19,58,720 . The biggest common factor number is the GCF number.
So the greatest common factor 20,19,58,720 is 1.

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

• GCF of 32, 81, 28, 999
• GCF of 48, 69, 16, 676
• GCF of 94, 89, 85, 950
• GCF of 68, 65, 77, 782
• GCF of 99, 44, 38, 317

1. What is the GCF of 20, 19, 58, 720?

Answer: GCF of 20, 19, 58, 720 is 1.

2. How to Find the GCF of 20, 19, 58, 720

Answer: Greatest Common Factor(GCF) of 20, 19, 58, 720 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 19, 58, 720) = 1.