Greatest Common Factor of 42, 209, 389

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

• Greatest Common Factor of 42, 209, 389 by common division method
• Greatest Common Factor of 42, 209, 389 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 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors 42,209,389 . The biggest common factor number is the GCF number.
So the greatest common factor 42,209,389 is 1.

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

• GCF of 61, 813, 583
• GCF of 29, 995, 312
• GCF of 54, 136, 192
• GCF of 99, 771, 520
• GCF of 38, 695, 628

1. What is the GCF of 42, 209, 389?

Answer: GCF of 42, 209, 389 is 1.

2. How to Find the GCF of 42, 209, 389

Answer: Greatest Common Factor(GCF) of 42, 209, 389 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 209, 389) = 1.