Greatest Common Factor of 18, 71, 91, 571

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

• Greatest Common Factor of 18, 71, 91, 571 by common division method
• Greatest Common Factor of 18, 71, 91, 571 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 18

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

1,2,3,6,9,18

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 91

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

1,7,13,91

Factors of 571

List of positive integer factors of 571 that divides 571 without a remainder.

1,571

Greatest Common Factor

We found the factors 18,71,91,571 . The biggest common factor number is the GCF number.
So the greatest common factor 18,71,91,571 is 1.

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

• GCF of 25, 19, 51, 703
• GCF of 46, 96, 72, 911
• GCF of 31, 81, 52, 124
• GCF of 14, 11, 56, 351
• GCF of 82, 14, 72, 185

1. What is the GCF of 18, 71, 91, 571?

Answer: GCF of 18, 71, 91, 571 is 1.

2. How to Find the GCF of 18, 71, 91, 571

Answer: Greatest Common Factor(GCF) of 18, 71, 91, 571 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 71, 91, 571) = 1.