Greatest Common Factor of 40, 71, 34, 85

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

• Greatest Common Factor of 40, 71, 34, 85 by common division method
• Greatest Common Factor of 40, 71, 34, 85 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 71

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

1,71

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 40,71,34,85 . The biggest common factor number is the GCF number.
So the greatest common factor 40,71,34,85 is 1.

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

• GCF of 67, 43, 64, 98
• GCF of 95, 54, 13, 74
• GCF of 84, 69, 94, 26
• GCF of 78, 68, 41, 35
• GCF of 88, 93, 13, 30

1. What is the GCF of 40, 71, 34, 85?

Answer: GCF of 40, 71, 34, 85 is 1.

2. How to Find the GCF of 40, 71, 34, 85

Answer: Greatest Common Factor(GCF) of 40, 71, 34, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 71, 34, 85) = 1.