Greatest Common Factor of 70, 18, 71, 340

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

• Greatest Common Factor of 70, 18, 71, 340 by common division method
• Greatest Common Factor of 70, 18, 71, 340 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

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 340

List of positive integer factors of 340 that divides 340 without a remainder.

1,2,4,5,10,17,20,34,68,85,170,340

Greatest Common Factor

We found the factors 70,18,71,340 . The biggest common factor number is the GCF number.
So the greatest common factor 70,18,71,340 is 1.

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

• GCF of 63, 71, 62, 855
• GCF of 66, 51, 40, 978
• GCF of 16, 36, 20, 612
• GCF of 69, 75, 84, 781
• GCF of 16, 58, 30, 722

1. What is the GCF of 70, 18, 71, 340?

Answer: GCF of 70, 18, 71, 340 is 1.

2. How to Find the GCF of 70, 18, 71, 340

Answer: Greatest Common Factor(GCF) of 70, 18, 71, 340 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 18, 71, 340) = 1.