Greatest Common Factor of 438, 311, 138

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

• Greatest Common Factor of 438, 311, 138 by common division method
• Greatest Common Factor of 438, 311, 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 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 311

List of positive integer factors of 311 that divides 311 without a remainder.

1,311

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 438,311,138 . The biggest common factor number is the GCF number.
So the greatest common factor 438,311,138 is 1.

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

• GCF of 439, 406, 594
• GCF of 303, 371, 292
• GCF of 721, 677, 560
• GCF of 258, 837, 286
• GCF of 677, 840, 864

1. What is the GCF of 438, 311, 138?

Answer: GCF of 438, 311, 138 is 1.

2. How to Find the GCF of 438, 311, 138

Answer: Greatest Common Factor(GCF) of 438, 311, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(438, 311, 138) = 1.