Greatest Common Factor of 85, 40, 20, 25

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

• Greatest Common Factor of 85, 40, 20, 25 by common division method
• Greatest Common Factor of 85, 40, 20, 25 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 85

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

1,5,17,85

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Greatest Common Factor

We found the factors 85,40,20,25 . The biggest common factor number is the GCF number.
So the greatest common factor 85,40,20,25 is 5.

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

• GCF of 81, 12, 76, 61
• GCF of 24, 51, 78, 52
• GCF of 20, 88, 70, 50
• GCF of 37, 88, 74, 39
• GCF of 93, 35, 38, 83

1. What is the GCF of 85, 40, 20, 25?

Answer: GCF of 85, 40, 20, 25 is 5.

2. How to Find the GCF of 85, 40, 20, 25

Answer: Greatest Common Factor(GCF) of 85, 40, 20, 25 = 5

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

Step 2: Then multiply all the prime factors GCF(85, 40, 20, 25) = 5.