Greatest Common Factor of 89, 78, 42, 84, 915

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

• Greatest Common Factor of 89, 78, 42, 84, 915 by common division method
• Greatest Common Factor of 89, 78, 42, 84, 915 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 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 915

List of positive integer factors of 915 that divides 915 without a remainder.

1,3,5,15,61,183,305,915

Greatest Common Factor

We found the factors 89,78,42,84,915 . The biggest common factor number is the GCF number.
So the greatest common factor 89,78,42,84,915 is 1.

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

• GCF of 42, 39, 90, 69, 644
• GCF of 26, 56, 65, 69, 495
• GCF of 35, 93, 23, 58, 461
• GCF of 34, 42, 18, 10, 362
• GCF of 88, 57, 59, 35, 433

1. What is the GCF of 89, 78, 42, 84, 915?

Answer: GCF of 89, 78, 42, 84, 915 is 1.

2. How to Find the GCF of 89, 78, 42, 84, 915

Answer: Greatest Common Factor(GCF) of 89, 78, 42, 84, 915 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 78, 42, 84, 915) = 1.