Greatest Common Factor of 42, 869, 645

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

• Greatest Common Factor of 42, 869, 645 by common division method
• Greatest Common Factor of 42, 869, 645 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 869

List of positive integer factors of 869 that divides 869 without a remainder.

1,11,79,869

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 42,869,645 . The biggest common factor number is the GCF number.
So the greatest common factor 42,869,645 is 1.

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

• GCF of 34, 844, 313
• GCF of 23, 585, 702
• GCF of 92, 940, 394
• GCF of 46, 323, 791
• GCF of 81, 272, 678

1. What is the GCF of 42, 869, 645?

Answer: GCF of 42, 869, 645 is 1.

2. How to Find the GCF of 42, 869, 645

Answer: Greatest Common Factor(GCF) of 42, 869, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 869, 645) = 1.