Greatest Common Factor of 27, 21, 195

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

• Greatest Common Factor of 27, 21, 195 by common division method
• Greatest Common Factor of 27, 21, 195 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 21

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

1,3,7,21

Factors of 195

List of positive integer factors of 195 that divides 195 without a remainder.

1,3,5,13,15,39,65,195

Greatest Common Factor

We found the factors 27,21,195 . The biggest common factor number is the GCF number.
So the greatest common factor 27,21,195 is 3.

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

• GCF of 64, 84, 738
• GCF of 26, 86, 290
• GCF of 41, 82, 524
• GCF of 34, 22, 112
• GCF of 39, 11, 442

1. What is the GCF of 27, 21, 195?

Answer: GCF of 27, 21, 195 is 3.

2. How to Find the GCF of 27, 21, 195

Answer: Greatest Common Factor(GCF) of 27, 21, 195 = 3

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

Step 2: Then multiply all the prime factors GCF(27, 21, 195) = 3.