Greatest Common Factor of 81, 21, 50, 187

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

• Greatest Common Factor of 81, 21, 50, 187 by common division method
• Greatest Common Factor of 81, 21, 50, 187 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 81

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

1,3,9,27,81

Factors of 21

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

1,3,7,21

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 187

List of positive integer factors of 187 that divides 187 without a remainder.

1,11,17,187

Greatest Common Factor

We found the factors 81,21,50,187 . The biggest common factor number is the GCF number.
So the greatest common factor 81,21,50,187 is 1.

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

• GCF of 98, 89, 67, 834
• GCF of 89, 64, 10, 512
• GCF of 36, 41, 86, 435
• GCF of 13, 53, 41, 292
• GCF of 93, 65, 55, 619

1. What is the GCF of 81, 21, 50, 187?

Answer: GCF of 81, 21, 50, 187 is 1.

2. How to Find the GCF of 81, 21, 50, 187

Answer: Greatest Common Factor(GCF) of 81, 21, 50, 187 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 21, 50, 187) = 1.