Greatest Common Factor of 345, 978, 276, 820, 123

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

• Greatest Common Factor of 345, 978, 276, 820, 123 by common division method
• Greatest Common Factor of 345, 978, 276, 820, 123 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 345

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

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

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Factors of 276

List of positive integer factors of 276 that divides 276 without a remainder.

1,2,3,4,6,12,23,46,69,92,138,276

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Greatest Common Factor

We found the factors 345,978,276,820,123 . The biggest common factor number is the GCF number.
So the greatest common factor 345,978,276,820,123 is 1.

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

• GCF of 305, 199, 537, 167, 971
• GCF of 957, 579, 369, 860, 596
• GCF of 406, 391, 386, 612, 943
• GCF of 994, 834, 585, 742, 572
• GCF of 621, 237, 701, 557, 754

1. What is the GCF of 345, 978, 276, 820, 123?

Answer: GCF of 345, 978, 276, 820, 123 is 1.

2. How to Find the GCF of 345, 978, 276, 820, 123

Answer: Greatest Common Factor(GCF) of 345, 978, 276, 820, 123 = 1

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

Step 2: Then multiply all the prime factors GCF(345, 978, 276, 820, 123) = 1.