Greatest Common Factor of 18, 71, 76, 720

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

• Greatest Common Factor of 18, 71, 76, 720 by common division method
• Greatest Common Factor of 18, 71, 76, 720 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 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Greatest Common Factor

We found the factors 18,71,76,720 . The biggest common factor number is the GCF number.
So the greatest common factor 18,71,76,720 is 1.

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

• GCF of 86, 65, 71, 304
• GCF of 70, 47, 95, 792
• GCF of 14, 75, 58, 686
• GCF of 56, 93, 71, 772
• GCF of 41, 29, 76, 603

1. What is the GCF of 18, 71, 76, 720?

Answer: GCF of 18, 71, 76, 720 is 1.

2. How to Find the GCF of 18, 71, 76, 720

Answer: Greatest Common Factor(GCF) of 18, 71, 76, 720 = 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, 76, 720) = 1.