Greatest Common Factor of 72, 34, 81, 289

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

• Greatest Common Factor of 72, 34, 81, 289 by common division method
• Greatest Common Factor of 72, 34, 81, 289 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 34

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

1,2,17,34

Factors of 81

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

1,3,9,27,81

Factors of 289

List of positive integer factors of 289 that divides 289 without a remainder.

1,17,289

Greatest Common Factor

We found the factors 72,34,81,289 . The biggest common factor number is the GCF number.
So the greatest common factor 72,34,81,289 is 1.

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

• GCF of 80, 58, 66, 564
• GCF of 98, 87, 52, 938
• GCF of 25, 23, 18, 576
• GCF of 12, 65, 11, 732
• GCF of 45, 65, 16, 547

1. What is the GCF of 72, 34, 81, 289?

Answer: GCF of 72, 34, 81, 289 is 1.

2. How to Find the GCF of 72, 34, 81, 289

Answer: Greatest Common Factor(GCF) of 72, 34, 81, 289 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 34, 81, 289) = 1.