Greatest Common Factor of 28, 428, 345

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

• Greatest Common Factor of 28, 428, 345 by common division method
• Greatest Common Factor of 28, 428, 345 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

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

Greatest Common Factor

We found the factors 28,428,345 . The biggest common factor number is the GCF number.
So the greatest common factor 28,428,345 is 1.

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

• GCF of 22, 216, 149
• GCF of 36, 888, 376
• GCF of 44, 409, 594
• GCF of 65, 463, 868
• GCF of 14, 183, 126

1. What is the GCF of 28, 428, 345?

Answer: GCF of 28, 428, 345 is 1.

2. How to Find the GCF of 28, 428, 345

Answer: Greatest Common Factor(GCF) of 28, 428, 345 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 428, 345) = 1.