Greatest Common Factor of 685, 655, 128, 485

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

• Greatest Common Factor of 685, 655, 128, 485 by common division method
• Greatest Common Factor of 685, 655, 128, 485 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 685

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

1,5,137,685

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Factors of 485

List of positive integer factors of 485 that divides 485 without a remainder.

1,5,97,485

Greatest Common Factor

We found the factors 685,655,128,485 . The biggest common factor number is the GCF number.
So the greatest common factor 685,655,128,485 is 1.

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

• GCF of 632, 769, 102, 421
• GCF of 857, 429, 572, 337
• GCF of 147, 155, 465, 505
• GCF of 909, 856, 610, 623
• GCF of 456, 736, 947, 102

1. What is the GCF of 685, 655, 128, 485?

Answer: GCF of 685, 655, 128, 485 is 1.

2. How to Find the GCF of 685, 655, 128, 485

Answer: Greatest Common Factor(GCF) of 685, 655, 128, 485 = 1

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

Step 2: Then multiply all the prime factors GCF(685, 655, 128, 485) = 1.