Greatest Common Factor of 81, 79, 42, 192

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

• Greatest Common Factor of 81, 79, 42, 192 by common division method
• Greatest Common Factor of 81, 79, 42, 192 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

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 192

List of positive integer factors of 192 that divides 192 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,64,96,192

Greatest Common Factor

We found the factors 81,79,42,192 . The biggest common factor number is the GCF number.
So the greatest common factor 81,79,42,192 is 1.

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

• GCF of 34, 68, 14, 547
• GCF of 36, 60, 44, 408
• GCF of 13, 89, 47, 559
• GCF of 51, 76, 45, 914
• GCF of 74, 69, 90, 541

1. What is the GCF of 81, 79, 42, 192?

Answer: GCF of 81, 79, 42, 192 is 1.

2. How to Find the GCF of 81, 79, 42, 192

Answer: Greatest Common Factor(GCF) of 81, 79, 42, 192 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 79, 42, 192) = 1.