Greatest Common Factor of 71, 21, 842

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

• Greatest Common Factor of 71, 21, 842 by common division method
• Greatest Common Factor of 71, 21, 842 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 21

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

1,3,7,21

Factors of 842

List of positive integer factors of 842 that divides 842 without a remainder.

1,2,421,842

Greatest Common Factor

We found the factors 71,21,842 . The biggest common factor number is the GCF number.
So the greatest common factor 71,21,842 is 1.

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

• GCF of 13, 31, 354
• GCF of 94, 15, 702
• GCF of 48, 11, 656
• GCF of 35, 26, 727
• GCF of 29, 46, 382

1. What is the GCF of 71, 21, 842?

Answer: GCF of 71, 21, 842 is 1.

2. How to Find the GCF of 71, 21, 842

Answer: Greatest Common Factor(GCF) of 71, 21, 842 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 21, 842) = 1.