Greatest Common Factor of 42, 78, 193

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

• Greatest Common Factor of 42, 78, 193 by common division method
• Greatest Common Factor of 42, 78, 193 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 193

List of positive integer factors of 193 that divides 193 without a remainder.

1,193

Greatest Common Factor

We found the factors 42,78,193 . The biggest common factor number is the GCF number.
So the greatest common factor 42,78,193 is 1.

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

• GCF of 50, 61, 259
• GCF of 20, 18, 360
• GCF of 40, 66, 722
• GCF of 46, 23, 891
• GCF of 66, 91, 167

1. What is the GCF of 42, 78, 193?

Answer: GCF of 42, 78, 193 is 1.

2. How to Find the GCF of 42, 78, 193

Answer: Greatest Common Factor(GCF) of 42, 78, 193 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 78, 193) = 1.