Greatest Common Factor of 20, 51, 99, 580

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

• Greatest Common Factor of 20, 51, 99, 580 by common division method
• Greatest Common Factor of 20, 51, 99, 580 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 580

List of positive integer factors of 580 that divides 580 without a remainder.

1,2,4,5,10,20,29,58,116,145,290,580

Greatest Common Factor

We found the factors 20,51,99,580 . The biggest common factor number is the GCF number.
So the greatest common factor 20,51,99,580 is 1.

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

• GCF of 29, 89, 63, 974
• GCF of 10, 76, 75, 300
• GCF of 41, 72, 18, 383
• GCF of 55, 12, 99, 563
• GCF of 94, 42, 35, 535

1. What is the GCF of 20, 51, 99, 580?

Answer: GCF of 20, 51, 99, 580 is 1.

2. How to Find the GCF of 20, 51, 99, 580

Answer: Greatest Common Factor(GCF) of 20, 51, 99, 580 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 51, 99, 580) = 1.