Greatest Common Factor of 642, 231, 686

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

• Greatest Common Factor of 642, 231, 686 by common division method
• Greatest Common Factor of 642, 231, 686 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 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1,3,7,11,21,33,77,231

Factors of 686

List of positive integer factors of 686 that divides 686 without a remainder.

1,2,7,14,49,98,343,686

Greatest Common Factor

We found the factors 642,231,686 . The biggest common factor number is the GCF number.
So the greatest common factor 642,231,686 is 1.

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

• GCF of 497, 861, 285
• GCF of 444, 855, 498
• GCF of 748, 114, 325
• GCF of 224, 365, 739
• GCF of 123, 613, 516

1. What is the GCF of 642, 231, 686?

Answer: GCF of 642, 231, 686 is 1.

2. How to Find the GCF of 642, 231, 686

Answer: Greatest Common Factor(GCF) of 642, 231, 686 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 231, 686) = 1.