Greatest Common Factor of 71, 38, 21, 831

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

• Greatest Common Factor of 71, 38, 21, 831 by common division method
• Greatest Common Factor of 71, 38, 21, 831 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 831

List of positive integer factors of 831 that divides 831 without a remainder.

1,3,277,831

Greatest Common Factor

We found the factors 71,38,21,831 . The biggest common factor number is the GCF number.
So the greatest common factor 71,38,21,831 is 1.

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

• GCF of 13, 15, 18, 732
• GCF of 50, 86, 25, 596
• GCF of 30, 79, 40, 483
• GCF of 53, 45, 72, 137
• GCF of 22, 11, 59, 780

1. What is the GCF of 71, 38, 21, 831?

Answer: GCF of 71, 38, 21, 831 is 1.

2. How to Find the GCF of 71, 38, 21, 831

Answer: Greatest Common Factor(GCF) of 71, 38, 21, 831 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 38, 21, 831) = 1.