Greatest Common Factor of 20, 12, 64, 786

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

• Greatest Common Factor of 20, 12, 64, 786 by common division method
• Greatest Common Factor of 20, 12, 64, 786 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 786

List of positive integer factors of 786 that divides 786 without a remainder.

1,2,3,6,131,262,393,786

Greatest Common Factor

We found the factors 20,12,64,786 . The biggest common factor number is the GCF number.
So the greatest common factor 20,12,64,786 is 2.

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

• GCF of 96, 79, 63, 555
• GCF of 45, 26, 49, 830
• GCF of 47, 29, 90, 295
• GCF of 46, 49, 61, 559
• GCF of 37, 64, 99, 371

1. What is the GCF of 20, 12, 64, 786?

Answer: GCF of 20, 12, 64, 786 is 2.

2. How to Find the GCF of 20, 12, 64, 786

Answer: Greatest Common Factor(GCF) of 20, 12, 64, 786 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 12, 64, 786) = 2.