Greatest Common Factor of 42, 34, 945

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

• Greatest Common Factor of 42, 34, 945 by common division method
• Greatest Common Factor of 42, 34, 945 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 42,34,945 . The biggest common factor number is the GCF number.
So the greatest common factor 42,34,945 is 1.

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

• GCF of 79, 42, 118
• GCF of 46, 88, 246
• GCF of 66, 21, 525
• GCF of 73, 92, 309
• GCF of 87, 31, 799

1. What is the GCF of 42, 34, 945?

Answer: GCF of 42, 34, 945 is 1.

2. How to Find the GCF of 42, 34, 945

Answer: Greatest Common Factor(GCF) of 42, 34, 945 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 34, 945) = 1.