Greatest Common Factor of 428, 573, 18

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

• Greatest Common Factor of 428, 573, 18 by common division method
• Greatest Common Factor of 428, 573, 18 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 573

List of positive integer factors of 573 that divides 573 without a remainder.

1,3,191,573

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 428,573,18 . The biggest common factor number is the GCF number.
So the greatest common factor 428,573,18 is 1.

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

• GCF of 259, 655, 22
• GCF of 204, 811, 78
• GCF of 199, 191, 30
• GCF of 254, 323, 30
• GCF of 350, 925, 12

1. What is the GCF of 428, 573, 18?

Answer: GCF of 428, 573, 18 is 1.

2. How to Find the GCF of 428, 573, 18

Answer: Greatest Common Factor(GCF) of 428, 573, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 573, 18) = 1.