Greatest Common Factor of 20, 670, 820

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

• Greatest Common Factor of 20, 670, 820 by common division method
• Greatest Common Factor of 20, 670, 820 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 5 = 10

Factors of 20

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

1,2,4,5,10,20

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

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 20,670,820 . The biggest common factor number is the GCF number.
So the greatest common factor 20,670,820 is 10.

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

• GCF of 28, 889, 589
• GCF of 37, 417, 350
• GCF of 95, 715, 726
• GCF of 66, 958, 205
• GCF of 41, 717, 242

1. What is the GCF of 20, 670, 820?

Answer: GCF of 20, 670, 820 is 10.

2. How to Find the GCF of 20, 670, 820

Answer: Greatest Common Factor(GCF) of 20, 670, 820 = 10

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

Step 2: Then multiply all the prime factors GCF(20, 670, 820) = 10.