Greatest Common Factor of 43, 40, 81, 87

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

• Greatest Common Factor of 43, 40, 81, 87 by common division method
• Greatest Common Factor of 43, 40, 81, 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 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 43,40,81,87 . The biggest common factor number is the GCF number.
So the greatest common factor 43,40,81,87 is 1.

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

• GCF of 42, 31, 27, 46
• GCF of 19, 52, 58, 69
• GCF of 73, 71, 70, 57
• GCF of 39, 15, 84, 22
• GCF of 35, 80, 45, 97

1. What is the GCF of 43, 40, 81, 87?

Answer: GCF of 43, 40, 81, 87 is 1.

2. How to Find the GCF of 43, 40, 81, 87

Answer: Greatest Common Factor(GCF) of 43, 40, 81, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 40, 81, 87) = 1.