Greatest Common Factor of 81, 60, 60, 428

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

• Greatest Common Factor of 81, 60, 60, 428 by common division method
• Greatest Common Factor of 81, 60, 60, 428 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 81

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

1,3,9,27,81

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 81,60,60,428 . The biggest common factor number is the GCF number.
So the greatest common factor 81,60,60,428 is 1.

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

• GCF of 32, 27, 22, 484
• GCF of 72, 43, 43, 833
• GCF of 82, 18, 43, 231
• GCF of 31, 76, 88, 535
• GCF of 41, 29, 95, 614

1. What is the GCF of 81, 60, 60, 428?

Answer: GCF of 81, 60, 60, 428 is 1.

2. How to Find the GCF of 81, 60, 60, 428

Answer: Greatest Common Factor(GCF) of 81, 60, 60, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 60, 60, 428) = 1.