Greatest Common Factor of 243, 517, 138

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

• Greatest Common Factor of 243, 517, 138 by common division method
• Greatest Common Factor of 243, 517, 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 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Factors of 517

List of positive integer factors of 517 that divides 517 without a remainder.

1,11,47,517

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 243,517,138 . The biggest common factor number is the GCF number.
So the greatest common factor 243,517,138 is 1.

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

• GCF of 997, 710, 850
• GCF of 587, 634, 107
• GCF of 334, 873, 230
• GCF of 254, 937, 355
• GCF of 493, 735, 735

1. What is the GCF of 243, 517, 138?

Answer: GCF of 243, 517, 138 is 1.

2. How to Find the GCF of 243, 517, 138

Answer: Greatest Common Factor(GCF) of 243, 517, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(243, 517, 138) = 1.