Greatest Common Factor of 84, 20, 81, 575

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

• Greatest Common Factor of 84, 20, 81, 575 by common division method
• Greatest Common Factor of 84, 20, 81, 575 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 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 20

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

1,2,4,5,10,20

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 575

List of positive integer factors of 575 that divides 575 without a remainder.

1,5,23,25,115,575

Greatest Common Factor

We found the factors 84,20,81,575 . The biggest common factor number is the GCF number.
So the greatest common factor 84,20,81,575 is 1.

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

• GCF of 46, 11, 70, 805
• GCF of 48, 11, 48, 679
• GCF of 57, 77, 31, 955
• GCF of 37, 73, 70, 317
• GCF of 74, 50, 54, 137

1. What is the GCF of 84, 20, 81, 575?

Answer: GCF of 84, 20, 81, 575 is 1.

2. How to Find the GCF of 84, 20, 81, 575

Answer: Greatest Common Factor(GCF) of 84, 20, 81, 575 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 20, 81, 575) = 1.