Greatest Common Factor of 138, 272, 309

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

• Greatest Common Factor of 138, 272, 309 by common division method
• Greatest Common Factor of 138, 272, 309 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 138

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

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

Factors of 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Factors of 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Greatest Common Factor

We found the factors 138,272,309 . The biggest common factor number is the GCF number.
So the greatest common factor 138,272,309 is 1.

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

• GCF of 656, 890, 641
• GCF of 933, 746, 652
• GCF of 633, 343, 102
• GCF of 819, 407, 846
• GCF of 261, 405, 173

1. What is the GCF of 138, 272, 309?

Answer: GCF of 138, 272, 309 is 1.

2. How to Find the GCF of 138, 272, 309

Answer: Greatest Common Factor(GCF) of 138, 272, 309 = 1

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

Step 2: Then multiply all the prime factors GCF(138, 272, 309) = 1.