Greatest Common Factor of 428, 680, 57

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

• Greatest Common Factor of 428, 680, 57 by common division method
• Greatest Common Factor of 428, 680, 57 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 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 428,680,57 . The biggest common factor number is the GCF number.
So the greatest common factor 428,680,57 is 1.

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

• GCF of 923, 386, 12
• GCF of 738, 933, 35
• GCF of 369, 208, 52
• GCF of 420, 519, 29
• GCF of 637, 156, 82

1. What is the GCF of 428, 680, 57?

Answer: GCF of 428, 680, 57 is 1.

2. How to Find the GCF of 428, 680, 57

Answer: Greatest Common Factor(GCF) of 428, 680, 57 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 680, 57) = 1.