Greatest Common Factor of 42, 18, 77, 93

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

• Greatest Common Factor of 42, 18, 77, 93 by common division method
• Greatest Common Factor of 42, 18, 77, 93 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Greatest Common Factor

We found the factors 42,18,77,93 . The biggest common factor number is the GCF number.
So the greatest common factor 42,18,77,93 is 1.

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

• GCF of 11, 55, 55, 47
• GCF of 29, 48, 13, 98
• GCF of 71, 55, 12, 21
• GCF of 92, 82, 81, 64
• GCF of 23, 56, 91, 75

1. What is the GCF of 42, 18, 77, 93?

Answer: GCF of 42, 18, 77, 93 is 1.

2. How to Find the GCF of 42, 18, 77, 93

Answer: Greatest Common Factor(GCF) of 42, 18, 77, 93 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 18, 77, 93) = 1.