Greatest Common Factor of 42, 906, 645

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

• Greatest Common Factor of 42, 906, 645 by common division method
• Greatest Common Factor of 42, 906, 645 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 906

List of positive integer factors of 906 that divides 906 without a remainder.

1,2,3,6,151,302,453,906

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 42,906,645 . The biggest common factor number is the GCF number.
So the greatest common factor 42,906,645 is 3.

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

• GCF of 65, 444, 874
• GCF of 26, 702, 344
• GCF of 56, 433, 189
• GCF of 66, 732, 148
• GCF of 55, 386, 277

1. What is the GCF of 42, 906, 645?

Answer: GCF of 42, 906, 645 is 3.

2. How to Find the GCF of 42, 906, 645

Answer: Greatest Common Factor(GCF) of 42, 906, 645 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 906, 645) = 3.