Greatest Common Factor of 71, 18, 60, 990

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

• Greatest Common Factor of 71, 18, 60, 990 by common division method
• Greatest Common Factor of 71, 18, 60, 990 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 71

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

1,71

Factors of 18

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

1,2,3,6,9,18

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 71,18,60,990 . The biggest common factor number is the GCF number.
So the greatest common factor 71,18,60,990 is 1.

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

• GCF of 81, 82, 26, 144
• GCF of 39, 73, 70, 141
• GCF of 98, 76, 41, 995
• GCF of 10, 73, 99, 113
• GCF of 74, 48, 99, 310

1. What is the GCF of 71, 18, 60, 990?

Answer: GCF of 71, 18, 60, 990 is 1.

2. How to Find the GCF of 71, 18, 60, 990

Answer: Greatest Common Factor(GCF) of 71, 18, 60, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 18, 60, 990) = 1.