Greatest Common Factor of 428, 577, 138

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

• Greatest Common Factor of 428, 577, 138 by common division method
• Greatest Common Factor of 428, 577, 138 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 577

List of positive integer factors of 577 that divides 577 without a remainder.

1,577

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 428,577,138 . The biggest common factor number is the GCF number.
So the greatest common factor 428,577,138 is 1.

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

• GCF of 403, 305, 903
• GCF of 339, 144, 851
• GCF of 327, 176, 872
• GCF of 506, 693, 560
• GCF of 112, 998, 490

1. What is the GCF of 428, 577, 138?

Answer: GCF of 428, 577, 138 is 1.

2. How to Find the GCF of 428, 577, 138

Answer: Greatest Common Factor(GCF) of 428, 577, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 577, 138) = 1.