Greatest Common Factor of 20, 10, 24, 820

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

• Greatest Common Factor of 20, 10, 24, 820 by common division method
• Greatest Common Factor of 20, 10, 24, 820 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 20,10,24,820 . The biggest common factor number is the GCF number.
So the greatest common factor 20,10,24,820 is 2.

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

• GCF of 86, 32, 34, 213
• GCF of 24, 90, 88, 358
• GCF of 26, 52, 80, 724
• GCF of 96, 95, 58, 651
• GCF of 20, 15, 70, 445

1. What is the GCF of 20, 10, 24, 820?

Answer: GCF of 20, 10, 24, 820 is 2.

2. How to Find the GCF of 20, 10, 24, 820

Answer: Greatest Common Factor(GCF) of 20, 10, 24, 820 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 10, 24, 820) = 2.