Greatest Common Factor of 87, 70, 86, 40

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

• Greatest Common Factor of 87, 70, 86, 40 by common division method
• Greatest Common Factor of 87, 70, 86, 40 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 40

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

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

Greatest Common Factor

We found the factors 87,70,86,40 . The biggest common factor number is the GCF number.
So the greatest common factor 87,70,86,40 is 1.

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

• GCF of 22, 30, 17, 12
• GCF of 38, 28, 96, 26
• GCF of 41, 45, 39, 22
• GCF of 97, 82, 92, 30
• GCF of 69, 62, 99, 37

1. What is the GCF of 87, 70, 86, 40?

Answer: GCF of 87, 70, 86, 40 is 1.

2. How to Find the GCF of 87, 70, 86, 40

Answer: Greatest Common Factor(GCF) of 87, 70, 86, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 70, 86, 40) = 1.