Greatest Common Factor of 81, 60, 421

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

• Greatest Common Factor of 81, 60, 421 by common division method
• Greatest Common Factor of 81, 60, 421 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 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 81,60,421 . The biggest common factor number is the GCF number.
So the greatest common factor 81,60,421 is 1.

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

• GCF of 41, 15, 342
• GCF of 14, 60, 814
• GCF of 41, 32, 796
• GCF of 88, 82, 257
• GCF of 17, 69, 169

1. What is the GCF of 81, 60, 421?

Answer: GCF of 81, 60, 421 is 1.

2. How to Find the GCF of 81, 60, 421

Answer: Greatest Common Factor(GCF) of 81, 60, 421 = 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, 421) = 1.