Greatest Common Factor of 71, 40, 20, 7, 60

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

• Greatest Common Factor of 71, 40, 20, 7, 60 by common division method
• Greatest Common Factor of 71, 40, 20, 7, 60 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 40

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

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

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 71,40,20,7,60 . The biggest common factor number is the GCF number.
So the greatest common factor 71,40,20,7,60 is 1.

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

• GCF of 90, 27, 40, 3, 63
• GCF of 10, 87, 59, 1, 54
• GCF of 58, 88, 14, 8, 28
• GCF of 98, 86, 39, 6, 45
• GCF of 82, 10, 85, 3, 85

1. What is the GCF of 71, 40, 20, 7, 60?

Answer: GCF of 71, 40, 20, 7, 60 is 1.

2. How to Find the GCF of 71, 40, 20, 7, 60

Answer: Greatest Common Factor(GCF) of 71, 40, 20, 7, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 40, 20, 7, 60) = 1.