Greatest Common Factor of 207, 646, 138

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

• Greatest Common Factor of 207, 646, 138 by common division method
• Greatest Common Factor of 207, 646, 138 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 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 207,646,138 . The biggest common factor number is the GCF number.
So the greatest common factor 207,646,138 is 1.

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

• GCF of 194, 270, 362
• GCF of 852, 729, 273
• GCF of 619, 448, 513
• GCF of 389, 555, 658
• GCF of 225, 429, 978

1. What is the GCF of 207, 646, 138?

Answer: GCF of 207, 646, 138 is 1.

2. How to Find the GCF of 207, 646, 138

Answer: Greatest Common Factor(GCF) of 207, 646, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(207, 646, 138) = 1.