Greatest Common Factor of 685, 260, 15

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

• Greatest Common Factor of 685, 260, 15 by common division method
• Greatest Common Factor of 685, 260, 15 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 685

List of positive integer factors of 685 that divides 685 without a remainder.

1,5,137,685

Factors of 260

List of positive integer factors of 260 that divides 260 without a remainder.

1,2,4,5,10,13,20,26,52,65,130,260

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Greatest Common Factor

We found the factors 685,260,15 . The biggest common factor number is the GCF number.
So the greatest common factor 685,260,15 is 5.

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

• GCF of 470, 873, 14
• GCF of 699, 688, 21
• GCF of 630, 205, 73
• GCF of 558, 393, 29
• GCF of 637, 355, 58

1. What is the GCF of 685, 260, 15?

Answer: GCF of 685, 260, 15 is 5.

2. How to Find the GCF of 685, 260, 15

Answer: Greatest Common Factor(GCF) of 685, 260, 15 = 5

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

Step 2: Then multiply all the prime factors GCF(685, 260, 15) = 5.