Greatest Common Factor of 660, 385, 649

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

• Greatest Common Factor of 660, 385, 649 by common division method
• Greatest Common Factor of 660, 385, 649 with matching the biggest common factor

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∴ So the GCF of the given numbers is 11 = 11

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Factors of 649

List of positive integer factors of 649 that divides 649 without a remainder.

1,11,59,649

Greatest Common Factor

We found the factors 660,385,649 . The biggest common factor number is the GCF number.
So the greatest common factor 660,385,649 is 11.

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

• GCF of 624, 411, 279
• GCF of 887, 125, 886
• GCF of 977, 716, 919
• GCF of 177, 951, 596
• GCF of 304, 366, 660

1. What is the GCF of 660, 385, 649?

Answer: GCF of 660, 385, 649 is 11.

2. How to Find the GCF of 660, 385, 649

Answer: Greatest Common Factor(GCF) of 660, 385, 649 = 11

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

Step 2: Then multiply all the prime factors GCF(660, 385, 649) = 11.