Greatest Common Factor of 66, 57, 405

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

• Greatest Common Factor of 66, 57, 405 by common division method
• Greatest Common Factor of 66, 57, 405 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 66,57,405 . The biggest common factor number is the GCF number.
So the greatest common factor 66,57,405 is 3.

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

• GCF of 68, 65, 770
• GCF of 12, 43, 853
• GCF of 81, 90, 732
• GCF of 86, 67, 487
• GCF of 31, 87, 280

1. What is the GCF of 66, 57, 405?

Answer: GCF of 66, 57, 405 is 3.

2. How to Find the GCF of 66, 57, 405

Answer: Greatest Common Factor(GCF) of 66, 57, 405 = 3

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

Step 2: Then multiply all the prime factors GCF(66, 57, 405) = 3.