Greatest Common Factor of 85, 80, 20, 705

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

• Greatest Common Factor of 85, 80, 20, 705 by common division method
• Greatest Common Factor of 85, 80, 20, 705 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 20

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

1,2,4,5,10,20

Factors of 705

List of positive integer factors of 705 that divides 705 without a remainder.

1,3,5,15,47,141,235,705

Greatest Common Factor

We found the factors 85,80,20,705 . The biggest common factor number is the GCF number.
So the greatest common factor 85,80,20,705 is 5.

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

• GCF of 66, 50, 14, 702
• GCF of 17, 61, 83, 946
• GCF of 94, 70, 43, 933
• GCF of 60, 37, 16, 441
• GCF of 83, 87, 86, 332

1. What is the GCF of 85, 80, 20, 705?

Answer: GCF of 85, 80, 20, 705 is 5.

2. How to Find the GCF of 85, 80, 20, 705

Answer: Greatest Common Factor(GCF) of 85, 80, 20, 705 = 5

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

Step 2: Then multiply all the prime factors GCF(85, 80, 20, 705) = 5.