Greatest Common Factor of 645, 272, 34

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

• Greatest Common Factor of 645, 272, 34 by common division method
• Greatest Common Factor of 645, 272, 34 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 645

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

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

Factors of 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Factors of 34

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

1,2,17,34

Greatest Common Factor

We found the factors 645,272,34 . The biggest common factor number is the GCF number.
So the greatest common factor 645,272,34 is 1.

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

• GCF of 344, 506, 11
• GCF of 269, 329, 53
• GCF of 601, 817, 23
• GCF of 144, 215, 23
• GCF of 790, 963, 41

1. What is the GCF of 645, 272, 34?

Answer: GCF of 645, 272, 34 is 1.

2. How to Find the GCF of 645, 272, 34

Answer: Greatest Common Factor(GCF) of 645, 272, 34 = 1

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

Step 2: Then multiply all the prime factors GCF(645, 272, 34) = 1.