Greatest Common Factor of 20, 25, 51, 580

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

• Greatest Common Factor of 20, 25, 51, 580 by common division method
• Greatest Common Factor of 20, 25, 51, 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 51

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

1,3,17,51

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 20,25,51,580 . The biggest common factor number is the GCF number.
So the greatest common factor 20,25,51,580 is 1.

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

• GCF of 45, 62, 56, 789
• GCF of 64, 82, 56, 698
• GCF of 92, 55, 80, 585
• GCF of 87, 23, 93, 867
• GCF of 38, 10, 24, 538

1. What is the GCF of 20, 25, 51, 580?

Answer: GCF of 20, 25, 51, 580 is 1.

2. How to Find the GCF of 20, 25, 51, 580

Answer: Greatest Common Factor(GCF) of 20, 25, 51, 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, 25, 51, 580) = 1.