Greatest Common Factor of 10, 20, 66, 306

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

• Greatest Common Factor of 10, 20, 66, 306 by common division method
• Greatest Common Factor of 10, 20, 66, 306 with matching the biggest common factor

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

Factors of 10

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

1,2,5,10

Factors of 20

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

1,2,4,5,10,20

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Greatest Common Factor

We found the factors 10,20,66,306 . The biggest common factor number is the GCF number.
So the greatest common factor 10,20,66,306 is 2.

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

• GCF of 83, 98, 85, 895
• GCF of 70, 68, 70, 968
• GCF of 82, 93, 60, 509
• GCF of 85, 36, 42, 993
• GCF of 53, 89, 98, 609

1. What is the GCF of 10, 20, 66, 306?

Answer: GCF of 10, 20, 66, 306 is 2.

2. How to Find the GCF of 10, 20, 66, 306

Answer: Greatest Common Factor(GCF) of 10, 20, 66, 306 = 2

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

Step 2: Then multiply all the prime factors GCF(10, 20, 66, 306) = 2.