Greatest Common Factor of 685, 425, 15

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

• Greatest Common Factor of 685, 425, 15 by common division method
• Greatest Common Factor of 685, 425, 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 425

List of positive integer factors of 425 that divides 425 without a remainder.

1,5,17,25,85,425

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 685,425,15 . The biggest common factor number is the GCF number.
So the greatest common factor 685,425,15 is 5.

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

• GCF of 379, 465, 10
• GCF of 316, 815, 45
• GCF of 382, 749, 78
• GCF of 906, 827, 79
• GCF of 355, 552, 44

1. What is the GCF of 685, 425, 15?

Answer: GCF of 685, 425, 15 is 5.

2. How to Find the GCF of 685, 425, 15

Answer: Greatest Common Factor(GCF) of 685, 425, 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, 425, 15) = 5.