Greatest Common Factor of 42, 21, 793

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

• Greatest Common Factor of 42, 21, 793 by common division method
• Greatest Common Factor of 42, 21, 793 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 21

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

1,3,7,21

Factors of 793

List of positive integer factors of 793 that divides 793 without a remainder.

1,13,61,793

Greatest Common Factor

We found the factors 42,21,793 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,793 is 1.

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

• GCF of 70, 74, 233
• GCF of 38, 70, 211
• GCF of 17, 41, 171
• GCF of 92, 73, 117
• GCF of 52, 31, 682

1. What is the GCF of 42, 21, 793?

Answer: GCF of 42, 21, 793 is 1.

2. How to Find the GCF of 42, 21, 793

Answer: Greatest Common Factor(GCF) of 42, 21, 793 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 21, 793) = 1.