Greatest Common Factor of 138, 721, 491

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

• Greatest Common Factor of 138, 721, 491 by common division method
• Greatest Common Factor of 138, 721, 491 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 491

List of positive integer factors of 491 that divides 491 without a remainder.

1,491

Greatest Common Factor

We found the factors 138,721,491 . The biggest common factor number is the GCF number.
So the greatest common factor 138,721,491 is 1.

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

• GCF of 649, 348, 224
• GCF of 339, 261, 729
• GCF of 479, 206, 146
• GCF of 745, 108, 187
• GCF of 601, 639, 263

1. What is the GCF of 138, 721, 491?

Answer: GCF of 138, 721, 491 is 1.

2. How to Find the GCF of 138, 721, 491

Answer: Greatest Common Factor(GCF) of 138, 721, 491 = 1

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

Step 2: Then multiply all the prime factors GCF(138, 721, 491) = 1.