Greatest Common Factor of 121, 988, 405

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

• Greatest Common Factor of 121, 988, 405 by common division method
• Greatest Common Factor of 121, 988, 405 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 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 121,988,405 . The biggest common factor number is the GCF number.
So the greatest common factor 121,988,405 is 1.

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

• GCF of 990, 396, 190
• GCF of 213, 515, 584
• GCF of 278, 995, 868
• GCF of 760, 979, 311
• GCF of 591, 249, 563

1. What is the GCF of 121, 988, 405?

Answer: GCF of 121, 988, 405 is 1.

2. How to Find the GCF of 121, 988, 405

Answer: Greatest Common Factor(GCF) of 121, 988, 405 = 1

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

Step 2: Then multiply all the prime factors GCF(121, 988, 405) = 1.