Greatest Common Factor of 71, 14, 42, 18

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

• Greatest Common Factor of 71, 14, 42, 18 by common division method
• Greatest Common Factor of 71, 14, 42, 18 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 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 71,14,42,18 . The biggest common factor number is the GCF number.
So the greatest common factor 71,14,42,18 is 1.

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

• GCF of 52, 61, 45, 72
• GCF of 14, 87, 12, 66
• GCF of 11, 40, 48, 87
• GCF of 18, 54, 62, 77
• GCF of 93, 14, 42, 68

1. What is the GCF of 71, 14, 42, 18?

Answer: GCF of 71, 14, 42, 18 is 1.

2. How to Find the GCF of 71, 14, 42, 18

Answer: Greatest Common Factor(GCF) of 71, 14, 42, 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, 14, 42, 18) = 1.