Greatest Common Factor of 87, 71, 51, 9

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

• Greatest Common Factor of 87, 71, 51, 9 by common division method
• Greatest Common Factor of 87, 71, 51, 9 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 71

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

1,71

Factors of 51

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

1,3,17,51

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

Greatest Common Factor

We found the factors 87,71,51,9 . The biggest common factor number is the GCF number.
So the greatest common factor 87,71,51,9 is 1.

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

• GCF of 92, 16, 65, 3
• GCF of 83, 55, 58, 2
• GCF of 42, 80, 31, 1
• GCF of 53, 40, 31, 4
• GCF of 11, 95, 40, 7

1. What is the GCF of 87, 71, 51, 9?

Answer: GCF of 87, 71, 51, 9 is 1.

2. How to Find the GCF of 87, 71, 51, 9

Answer: Greatest Common Factor(GCF) of 87, 71, 51, 9 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 71, 51, 9) = 1.