Greatest Common Factor of 34, 67, 12, 645

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

• Greatest Common Factor of 34, 67, 12, 645 by common division method
• Greatest Common Factor of 34, 67, 12, 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 34

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

1,2,17,34

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

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 34,67,12,645 . The biggest common factor number is the GCF number.
So the greatest common factor 34,67,12,645 is 1.

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

• GCF of 76, 88, 17, 107
• GCF of 62, 33, 70, 465
• GCF of 47, 64, 39, 914
• GCF of 30, 80, 24, 181
• GCF of 61, 73, 76, 749

1. What is the GCF of 34, 67, 12, 645?

Answer: GCF of 34, 67, 12, 645 is 1.

2. How to Find the GCF of 34, 67, 12, 645

Answer: Greatest Common Factor(GCF) of 34, 67, 12, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 67, 12, 645) = 1.