Greatest Common Factor of 78, 57, 12, 378

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

• Greatest Common Factor of 78, 57, 12, 378 by common division method
• Greatest Common Factor of 78, 57, 12, 378 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 57

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

1,3,19,57

Factors of 12

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

1,2,3,4,6,12

Factors of 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Greatest Common Factor

We found the factors 78,57,12,378 . The biggest common factor number is the GCF number.
So the greatest common factor 78,57,12,378 is 3.

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

• GCF of 40, 25, 87, 714
• GCF of 33, 61, 44, 946
• GCF of 21, 68, 45, 471
• GCF of 53, 93, 97, 941
• GCF of 90, 17, 67, 818

1. What is the GCF of 78, 57, 12, 378?

Answer: GCF of 78, 57, 12, 378 is 3.

2. How to Find the GCF of 78, 57, 12, 378

Answer: Greatest Common Factor(GCF) of 78, 57, 12, 378 = 3

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

Step 2: Then multiply all the prime factors GCF(78, 57, 12, 378) = 3.