Greatest Common Factor of 71, 61, 89, 18, 18

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

• Greatest Common Factor of 71, 61, 89, 18, 18 by common division method
• Greatest Common Factor of 71, 61, 89, 18, 18 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 71

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

1,71

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 18

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

1,2,3,6,9,18

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 71,61,89,18,18 . The biggest common factor number is the GCF number.
So the greatest common factor 71,61,89,18,18 is 1.

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

• GCF of 25, 76, 77, 29, 50
• GCF of 63, 21, 58, 25, 95
• GCF of 98, 37, 68, 33, 62
• GCF of 50, 61, 85, 95, 24
• GCF of 76, 26, 81, 25, 35

1. What is the GCF of 71, 61, 89, 18, 18?

Answer: GCF of 71, 61, 89, 18, 18 is 1.

2. How to Find the GCF of 71, 61, 89, 18, 18

Answer: Greatest Common Factor(GCF) of 71, 61, 89, 18, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 61, 89, 18, 18) = 1.