Greatest Common Factor of 91, 81, 18, 738

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

• Greatest Common Factor of 91, 81, 18, 738 by common division method
• Greatest Common Factor of 91, 81, 18, 738 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 81

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

1,3,9,27,81

Factors of 18

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

1,2,3,6,9,18

Factors of 738

List of positive integer factors of 738 that divides 738 without a remainder.

1,2,3,6,9,18,41,82,123,246,369,738

Greatest Common Factor

We found the factors 91,81,18,738 . The biggest common factor number is the GCF number.
So the greatest common factor 91,81,18,738 is 1.

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

• GCF of 99, 14, 10, 304
• GCF of 79, 10, 72, 796
• GCF of 68, 74, 69, 345
• GCF of 40, 41, 77, 565
• GCF of 95, 78, 56, 230

1. What is the GCF of 91, 81, 18, 738?

Answer: GCF of 91, 81, 18, 738 is 1.

2. How to Find the GCF of 91, 81, 18, 738

Answer: Greatest Common Factor(GCF) of 91, 81, 18, 738 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 81, 18, 738) = 1.