Greatest Common Factor of 645, 428, 60

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

• Greatest Common Factor of 645, 428, 60 by common division method
• Greatest Common Factor of 645, 428, 60 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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 428

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

1,2,4,107,214,428

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 645,428,60 . The biggest common factor number is the GCF number.
So the greatest common factor 645,428,60 is 1.

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

• GCF of 180, 563, 17
• GCF of 278, 497, 88
• GCF of 503, 499, 80
• GCF of 114, 488, 82
• GCF of 193, 763, 96

1. What is the GCF of 645, 428, 60?

Answer: GCF of 645, 428, 60 is 1.

2. How to Find the GCF of 645, 428, 60

Answer: Greatest Common Factor(GCF) of 645, 428, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(645, 428, 60) = 1.