Greatest Common Factor of 78, 87, 289

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

• Greatest Common Factor of 78, 87, 289 by common division method
• Greatest Common Factor of 78, 87, 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

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 78,87,289 . The biggest common factor number is the GCF number.
So the greatest common factor 78,87,289 is 1.

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

• GCF of 10, 66, 653
• GCF of 10, 27, 987
• GCF of 38, 73, 650
• GCF of 39, 80, 134
• GCF of 47, 59, 345

1. What is the GCF of 78, 87, 289?

Answer: GCF of 78, 87, 289 is 1.

2. How to Find the GCF of 78, 87, 289

Answer: Greatest Common Factor(GCF) of 78, 87, 289 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 87, 289) = 1.