Greatest Common Factor of 18, 30, 71, 853

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

• Greatest Common Factor of 18, 30, 71, 853 by common division method
• Greatest Common Factor of 18, 30, 71, 853 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 71

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

1,71

Factors of 853

List of positive integer factors of 853 that divides 853 without a remainder.

1,853

Greatest Common Factor

We found the factors 18,30,71,853 . The biggest common factor number is the GCF number.
So the greatest common factor 18,30,71,853 is 1.

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

• GCF of 69, 13, 77, 646
• GCF of 86, 35, 86, 915
• GCF of 43, 80, 62, 710
• GCF of 79, 75, 12, 374
• GCF of 28, 62, 64, 988

1. What is the GCF of 18, 30, 71, 853?

Answer: GCF of 18, 30, 71, 853 is 1.

2. How to Find the GCF of 18, 30, 71, 853

Answer: Greatest Common Factor(GCF) of 18, 30, 71, 853 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 30, 71, 853) = 1.