Greatest Common Factor of 397, 121, 243

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

• Greatest Common Factor of 397, 121, 243 by common division method
• Greatest Common Factor of 397, 121, 243 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 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Factors of 121

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

1,11,121

Factors of 243

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

1,3,9,27,81,243

Greatest Common Factor

We found the factors 397,121,243 . The biggest common factor number is the GCF number.
So the greatest common factor 397,121,243 is 1.

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

• GCF of 783, 484, 962
• GCF of 276, 141, 480
• GCF of 944, 265, 598
• GCF of 725, 244, 265
• GCF of 253, 201, 714

1. What is the GCF of 397, 121, 243?

Answer: GCF of 397, 121, 243 is 1.

2. How to Find the GCF of 397, 121, 243

Answer: Greatest Common Factor(GCF) of 397, 121, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(397, 121, 243) = 1.