Greatest Common Factor of 34, 12, 35, 81, 646

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

• Greatest Common Factor of 34, 12, 35, 81, 646 by common division method
• Greatest Common Factor of 34, 12, 35, 81, 646 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 12

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

1,2,3,4,6,12

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 34,12,35,81,646 . The biggest common factor number is the GCF number.
So the greatest common factor 34,12,35,81,646 is 1.

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

• GCF of 51, 11, 55, 88, 138
• GCF of 86, 98, 37, 98, 337
• GCF of 99, 12, 59, 87, 993
• GCF of 88, 45, 15, 55, 118
• GCF of 97, 88, 75, 78, 523

1. What is the GCF of 34, 12, 35, 81, 646?

Answer: GCF of 34, 12, 35, 81, 646 is 1.

2. How to Find the GCF of 34, 12, 35, 81, 646

Answer: Greatest Common Factor(GCF) of 34, 12, 35, 81, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 12, 35, 81, 646) = 1.