Greatest Common Factor of 687, 337, 172, 28

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

• Greatest Common Factor of 687, 337, 172, 28 by common division method
• Greatest Common Factor of 687, 337, 172, 28 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 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Factors of 337

List of positive integer factors of 337 that divides 337 without a remainder.

1,337

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Greatest Common Factor

We found the factors 687,337,172,28 . The biggest common factor number is the GCF number.
So the greatest common factor 687,337,172,28 is 1.

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

• GCF of 457, 578, 497, 59
• GCF of 156, 596, 653, 74
• GCF of 771, 111, 124, 38
• GCF of 768, 955, 835, 74
• GCF of 512, 316, 789, 59

1. What is the GCF of 687, 337, 172, 28?

Answer: GCF of 687, 337, 172, 28 is 1.

2. How to Find the GCF of 687, 337, 172, 28

Answer: Greatest Common Factor(GCF) of 687, 337, 172, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(687, 337, 172, 28) = 1.