Greatest Common Factor of 42, 378, 809

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

• Greatest Common Factor of 42, 378, 809 by common division method
• Greatest Common Factor of 42, 378, 809 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 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Factors of 809

List of positive integer factors of 809 that divides 809 without a remainder.

1,809

Greatest Common Factor

We found the factors 42,378,809 . The biggest common factor number is the GCF number.
So the greatest common factor 42,378,809 is 1.

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

• GCF of 27, 897, 850
• GCF of 36, 208, 662
• GCF of 18, 495, 254
• GCF of 22, 919, 451
• GCF of 24, 868, 365

1. What is the GCF of 42, 378, 809?

Answer: GCF of 42, 378, 809 is 1.

2. How to Find the GCF of 42, 378, 809

Answer: Greatest Common Factor(GCF) of 42, 378, 809 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 378, 809) = 1.