Greatest Common Factor of 78, 66, 48, 57

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

• Greatest Common Factor of 78, 66, 48, 57 by common division method
• Greatest Common Factor of 78, 66, 48, 57 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 78,66,48,57 . The biggest common factor number is the GCF number.
So the greatest common factor 78,66,48,57 is 3.

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

• GCF of 26, 46, 21, 96
• GCF of 99, 91, 71, 16
• GCF of 97, 79, 73, 89
• GCF of 12, 89, 92, 30
• GCF of 85, 60, 53, 65

1. What is the GCF of 78, 66, 48, 57?

Answer: GCF of 78, 66, 48, 57 is 3.

2. How to Find the GCF of 78, 66, 48, 57

Answer: Greatest Common Factor(GCF) of 78, 66, 48, 57 = 3

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

Step 2: Then multiply all the prime factors GCF(78, 66, 48, 57) = 3.