Greatest Common Factor of 138, 821, 115

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

• Greatest Common Factor of 138, 821, 115 by common division method
• Greatest Common Factor of 138, 821, 115 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 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 115

List of positive integer factors of 115 that divides 115 without a remainder.

1,5,23,115

Greatest Common Factor

We found the factors 138,821,115 . The biggest common factor number is the GCF number.
So the greatest common factor 138,821,115 is 1.

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

• GCF of 145, 870, 764
• GCF of 117, 250, 288
• GCF of 595, 135, 452
• GCF of 112, 830, 461
• GCF of 664, 758, 289

1. What is the GCF of 138, 821, 115?

Answer: GCF of 138, 821, 115 is 1.

2. How to Find the GCF of 138, 821, 115

Answer: Greatest Common Factor(GCF) of 138, 821, 115 = 1

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

Step 2: Then multiply all the prime factors GCF(138, 821, 115) = 1.