Greatest Common Factor of 819, 945, 77

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

• Greatest Common Factor of 819, 945, 77 by common division method
• Greatest Common Factor of 819, 945, 77 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

Factors of 819

List of positive integer factors of 819 that divides 819 without a remainder.

1,3,7,9,13,21,39,63,91,117,273,819

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Greatest Common Factor

We found the factors 819,945,77 . The biggest common factor number is the GCF number.
So the greatest common factor 819,945,77 is 7.

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

• GCF of 408, 861, 56
• GCF of 636, 897, 83
• GCF of 969, 562, 63
• GCF of 132, 948, 22
• GCF of 861, 130, 65

1. What is the GCF of 819, 945, 77?

Answer: GCF of 819, 945, 77 is 7.

2. How to Find the GCF of 819, 945, 77

Answer: Greatest Common Factor(GCF) of 819, 945, 77 = 7

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

Step 2: Then multiply all the prime factors GCF(819, 945, 77) = 7.