Greatest Common Factor of 428, 345, 215

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

• Greatest Common Factor of 428, 345, 215 by common division method
• Greatest Common Factor of 428, 345, 215 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 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

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 215

List of positive integer factors of 215 that divides 215 without a remainder.

1,5,43,215

Greatest Common Factor

We found the factors 428,345,215 . The biggest common factor number is the GCF number.
So the greatest common factor 428,345,215 is 1.

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

• GCF of 295, 480, 807
• GCF of 785, 341, 809
• GCF of 886, 267, 833
• GCF of 651, 571, 945
• GCF of 451, 853, 626

1. What is the GCF of 428, 345, 215?

Answer: GCF of 428, 345, 215 is 1.

2. How to Find the GCF of 428, 345, 215

Answer: Greatest Common Factor(GCF) of 428, 345, 215 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 345, 215) = 1.