Greatest Common Factor of 690, 306, 80

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

• Greatest Common Factor of 690, 306, 80 by common division method
• Greatest Common Factor of 690, 306, 80 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 690,306,80 . The biggest common factor number is the GCF number.
So the greatest common factor 690,306,80 is 2.

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

• GCF of 601, 563, 65
• GCF of 712, 384, 35
• GCF of 273, 448, 42
• GCF of 716, 519, 42
• GCF of 758, 404, 95

1. What is the GCF of 690, 306, 80?

Answer: GCF of 690, 306, 80 is 2.

2. How to Find the GCF of 690, 306, 80

Answer: Greatest Common Factor(GCF) of 690, 306, 80 = 2

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

Step 2: Then multiply all the prime factors GCF(690, 306, 80) = 2.