Greatest Common Factor of 40, 51, 71, 13

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

• Greatest Common Factor of 40, 51, 71, 13 by common division method
• Greatest Common Factor of 40, 51, 71, 13 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 71

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

1,71

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Greatest Common Factor

We found the factors 40,51,71,13 . The biggest common factor number is the GCF number.
So the greatest common factor 40,51,71,13 is 1.

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

• GCF of 13, 69, 46, 97
• GCF of 19, 90, 41, 64
• GCF of 66, 14, 25, 28
• GCF of 75, 63, 95, 52
• GCF of 80, 63, 73, 19

1. What is the GCF of 40, 51, 71, 13?

Answer: GCF of 40, 51, 71, 13 is 1.

2. How to Find the GCF of 40, 51, 71, 13

Answer: Greatest Common Factor(GCF) of 40, 51, 71, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 51, 71, 13) = 1.