Greatest Common Factor of 21, 73, 186

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

• Greatest Common Factor of 21, 73, 186 by common division method
• Greatest Common Factor of 21, 73, 186 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 21

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

1,3,7,21

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 186

List of positive integer factors of 186 that divides 186 without a remainder.

1,2,3,6,31,62,93,186

Greatest Common Factor

We found the factors 21,73,186 . The biggest common factor number is the GCF number.
So the greatest common factor 21,73,186 is 1.

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

• GCF of 30, 59, 909
• GCF of 85, 85, 891
• GCF of 84, 88, 755
• GCF of 17, 80, 500
• GCF of 86, 64, 525

1. What is the GCF of 21, 73, 186?

Answer: GCF of 21, 73, 186 is 1.

2. How to Find the GCF of 21, 73, 186

Answer: Greatest Common Factor(GCF) of 21, 73, 186 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 73, 186) = 1.