Greatest Common Factor of 31, 19, 78, 12, 872

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

• Greatest Common Factor of 31, 19, 78, 12, 872 by common division method
• Greatest Common Factor of 31, 19, 78, 12, 872 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

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 12

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

1,2,3,4,6,12

Factors of 872

List of positive integer factors of 872 that divides 872 without a remainder.

1,2,4,8,109,218,436,872

Greatest Common Factor

We found the factors 31,19,78,12,872 . The biggest common factor number is the GCF number.
So the greatest common factor 31,19,78,12,872 is 1.

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

• GCF of 12, 44, 96, 76, 349
• GCF of 62, 51, 75, 91, 564
• GCF of 80, 14, 83, 66, 116
• GCF of 41, 60, 47, 83, 587
• GCF of 45, 86, 14, 46, 357

1. What is the GCF of 31, 19, 78, 12, 872?

Answer: GCF of 31, 19, 78, 12, 872 is 1.

2. How to Find the GCF of 31, 19, 78, 12, 872

Answer: Greatest Common Factor(GCF) of 31, 19, 78, 12, 872 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 19, 78, 12, 872) = 1.