Greatest Common Factor of 78, 42, 40, 944

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

• Greatest Common Factor of 78, 42, 40, 944 by common division method
• Greatest Common Factor of 78, 42, 40, 944 with matching the biggest common factor

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

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 944

List of positive integer factors of 944 that divides 944 without a remainder.

1,2,4,8,16,59,118,236,472,944

Greatest Common Factor

We found the factors 78,42,40,944 . The biggest common factor number is the GCF number.
So the greatest common factor 78,42,40,944 is 2.

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

• GCF of 78, 66, 39, 605
• GCF of 79, 93, 53, 202
• GCF of 45, 57, 41, 260
• GCF of 29, 66, 94, 830
• GCF of 62, 98, 60, 105

1. What is the GCF of 78, 42, 40, 944?

Answer: GCF of 78, 42, 40, 944 is 2.

2. How to Find the GCF of 78, 42, 40, 944

Answer: Greatest Common Factor(GCF) of 78, 42, 40, 944 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 42, 40, 944) = 2.