Greatest Common Factor of 345, 139, 243, 921

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

• Greatest Common Factor of 345, 139, 243, 921 by common division method
• Greatest Common Factor of 345, 139, 243, 921 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 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 243

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

1,3,9,27,81,243

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Greatest Common Factor

We found the factors 345,139,243,921 . The biggest common factor number is the GCF number.
So the greatest common factor 345,139,243,921 is 1.

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

• GCF of 715, 468, 170, 736
• GCF of 580, 499, 776, 938
• GCF of 902, 610, 320, 900
• GCF of 693, 250, 798, 164
• GCF of 481, 525, 290, 251

1. What is the GCF of 345, 139, 243, 921?

Answer: GCF of 345, 139, 243, 921 is 1.

2. How to Find the GCF of 345, 139, 243, 921

Answer: Greatest Common Factor(GCF) of 345, 139, 243, 921 = 1

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

Step 2: Then multiply all the prime factors GCF(345, 139, 243, 921) = 1.