Greatest Common Factor of 87, 44, 45, 78, 85

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

• Greatest Common Factor of 87, 44, 45, 78, 85 by common division method
• Greatest Common Factor of 87, 44, 45, 78, 85 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 87

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

1,3,29,87

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 87,44,45,78,85 . The biggest common factor number is the GCF number.
So the greatest common factor 87,44,45,78,85 is 1.

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

• GCF of 34, 95, 13, 47, 35
• GCF of 33, 80, 46, 51, 69
• GCF of 79, 72, 90, 57, 40
• GCF of 92, 17, 31, 41, 95
• GCF of 46, 35, 96, 28, 36

1. What is the GCF of 87, 44, 45, 78, 85?

Answer: GCF of 87, 44, 45, 78, 85 is 1.

2. How to Find the GCF of 87, 44, 45, 78, 85

Answer: Greatest Common Factor(GCF) of 87, 44, 45, 78, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 44, 45, 78, 85) = 1.