Greatest Common Factor of 66, 7, 80, 60

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

• Greatest Common Factor of 66, 7, 80, 60 by common division method
• Greatest Common Factor of 66, 7, 80, 60 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 66,7,80,60 . The biggest common factor number is the GCF number.
So the greatest common factor 66,7,80,60 is 1.

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

• GCF of 23, 4, 45, 75
• GCF of 77, 1, 46, 68
• GCF of 77, 5, 49, 27
• GCF of 91, 6, 14, 48
• GCF of 74, 1, 23, 28

1. What is the GCF of 66, 7, 80, 60?

Answer: GCF of 66, 7, 80, 60 is 1.

2. How to Find the GCF of 66, 7, 80, 60

Answer: Greatest Common Factor(GCF) of 66, 7, 80, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 7, 80, 60) = 1.