Greatest Common Factor of 21, 83, 842

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

• Greatest Common Factor of 21, 83, 842 by common division method
• Greatest Common Factor of 21, 83, 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 21

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

1,3,7,21

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

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 21,83,842 . The biggest common factor number is the GCF number.
So the greatest common factor 21,83,842 is 1.

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

• GCF of 24, 66, 718
• GCF of 85, 59, 544
• GCF of 29, 49, 775
• GCF of 50, 18, 196
• GCF of 27, 81, 504

1. What is the GCF of 21, 83, 842?

Answer: GCF of 21, 83, 842 is 1.

2. How to Find the GCF of 21, 83, 842

Answer: Greatest Common Factor(GCF) of 21, 83, 842 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 83, 842) = 1.