Greatest Common Factor of 78, 96, 72, 391

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

• Greatest Common Factor of 78, 96, 72, 391 by common division method
• Greatest Common Factor of 78, 96, 72, 391 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 78

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

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

Factors of 96

List of positive integer factors of 96 that divides 96 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,96

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 78,96,72,391 . The biggest common factor number is the GCF number.
So the greatest common factor 78,96,72,391 is 1.

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

• GCF of 72, 64, 78, 501
• GCF of 99, 38, 86, 250
• GCF of 28, 11, 48, 740
• GCF of 27, 34, 45, 899
• GCF of 36, 59, 42, 658

1. What is the GCF of 78, 96, 72, 391?

Answer: GCF of 78, 96, 72, 391 is 1.

2. How to Find the GCF of 78, 96, 72, 391

Answer: Greatest Common Factor(GCF) of 78, 96, 72, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 96, 72, 391) = 1.