Greatest Common Factor of 39, 40, 51, 87

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

• Greatest Common Factor of 39, 40, 51, 87 by common division method
• Greatest Common Factor of 39, 40, 51, 87 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

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 87

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

1,3,29,87

Greatest Common Factor

We found the factors 39,40,51,87 . The biggest common factor number is the GCF number.
So the greatest common factor 39,40,51,87 is 1.

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

• GCF of 35, 16, 53, 11
• GCF of 52, 24, 45, 78
• GCF of 90, 11, 32, 88
• GCF of 41, 85, 84, 64
• GCF of 72, 17, 99, 10

1. What is the GCF of 39, 40, 51, 87?

Answer: GCF of 39, 40, 51, 87 is 1.

2. How to Find the GCF of 39, 40, 51, 87

Answer: Greatest Common Factor(GCF) of 39, 40, 51, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 40, 51, 87) = 1.