Greatest Common Factor of 87, 21, 54, 43

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

• Greatest Common Factor of 87, 21, 54, 43 by common division method
• Greatest Common Factor of 87, 21, 54, 43 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 43

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

1,43

Greatest Common Factor

We found the factors 87,21,54,43 . The biggest common factor number is the GCF number.
So the greatest common factor 87,21,54,43 is 1.

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

• GCF of 36, 27, 27, 35
• GCF of 53, 27, 44, 88
• GCF of 61, 47, 91, 21
• GCF of 16, 57, 66, 47
• GCF of 95, 80, 85, 55

1. What is the GCF of 87, 21, 54, 43?

Answer: GCF of 87, 21, 54, 43 is 1.

2. How to Find the GCF of 87, 21, 54, 43

Answer: Greatest Common Factor(GCF) of 87, 21, 54, 43 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 21, 54, 43) = 1.