Greatest Common Factor of 66, 20, 30, 174

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

• Greatest Common Factor of 66, 20, 30, 174 by common division method
• Greatest Common Factor of 66, 20, 30, 174 with matching the biggest common factor

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

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 20

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

1,2,4,5,10,20

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 174

List of positive integer factors of 174 that divides 174 without a remainder.

1,2,3,6,29,58,87,174

Greatest Common Factor

We found the factors 66,20,30,174 . The biggest common factor number is the GCF number.
So the greatest common factor 66,20,30,174 is 2.

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

• GCF of 60, 39, 44, 358
• GCF of 62, 61, 86, 313
• GCF of 45, 40, 69, 503
• GCF of 54, 71, 23, 920
• GCF of 10, 25, 33, 100

1. What is the GCF of 66, 20, 30, 174?

Answer: GCF of 66, 20, 30, 174 is 2.

2. How to Find the GCF of 66, 20, 30, 174

Answer: Greatest Common Factor(GCF) of 66, 20, 30, 174 = 2

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

Step 2: Then multiply all the prime factors GCF(66, 20, 30, 174) = 2.