Greatest Common Factor of 42, 171, 728

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

• Greatest Common Factor of 42, 171, 728 by common division method
• Greatest Common Factor of 42, 171, 728 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Factors of 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Greatest Common Factor

We found the factors 42,171,728 . The biggest common factor number is the GCF number.
So the greatest common factor 42,171,728 is 1.

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

• GCF of 41, 880, 768
• GCF of 72, 487, 434
• GCF of 40, 468, 302
• GCF of 80, 428, 845
• GCF of 37, 385, 477

1. What is the GCF of 42, 171, 728?

Answer: GCF of 42, 171, 728 is 1.

2. How to Find the GCF of 42, 171, 728

Answer: Greatest Common Factor(GCF) of 42, 171, 728 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 171, 728) = 1.