Greatest Common Factor of 345, 428, 85

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

• Greatest Common Factor of 345, 428, 85 by common division method
• Greatest Common Factor of 345, 428, 85 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 428

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

1,2,4,107,214,428

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 345,428,85 . The biggest common factor number is the GCF number.
So the greatest common factor 345,428,85 is 1.

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

• GCF of 669, 572, 99
• GCF of 177, 890, 94
• GCF of 900, 167, 68
• GCF of 359, 545, 16
• GCF of 608, 763, 74

1. What is the GCF of 345, 428, 85?

Answer: GCF of 345, 428, 85 is 1.

2. How to Find the GCF of 345, 428, 85

Answer: Greatest Common Factor(GCF) of 345, 428, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(345, 428, 85) = 1.