Greatest Common Factor of 80, 84, 31, 805

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

• Greatest Common Factor of 80, 84, 31, 805 by common division method
• Greatest Common Factor of 80, 84, 31, 805 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 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 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 805

List of positive integer factors of 805 that divides 805 without a remainder.

1,5,7,23,35,115,161,805

Greatest Common Factor

We found the factors 80,84,31,805 . The biggest common factor number is the GCF number.
So the greatest common factor 80,84,31,805 is 1.

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

• GCF of 33, 40, 12, 517
• GCF of 16, 48, 68, 692
• GCF of 38, 56, 64, 221
• GCF of 15, 31, 24, 158
• GCF of 91, 41, 99, 495

1. What is the GCF of 80, 84, 31, 805?

Answer: GCF of 80, 84, 31, 805 is 1.

2. How to Find the GCF of 80, 84, 31, 805

Answer: Greatest Common Factor(GCF) of 80, 84, 31, 805 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 84, 31, 805) = 1.