Greatest Common Factor of 810, 438, 345

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

• Greatest Common Factor of 810, 438, 345 by common division method
• Greatest Common Factor of 810, 438, 345 with matching the biggest common factor

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

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Greatest Common Factor

We found the factors 810,438,345 . The biggest common factor number is the GCF number.
So the greatest common factor 810,438,345 is 3.

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

• GCF of 935, 463, 312
• GCF of 948, 464, 907
• GCF of 430, 720, 880
• GCF of 621, 624, 797
• GCF of 669, 515, 748

1. What is the GCF of 810, 438, 345?

Answer: GCF of 810, 438, 345 is 3.

2. How to Find the GCF of 810, 438, 345

Answer: Greatest Common Factor(GCF) of 810, 438, 345 = 3

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

Step 2: Then multiply all the prime factors GCF(810, 438, 345) = 3.