Greatest Common Factor of 421, 682, 81

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

• Greatest Common Factor of 421, 682, 81 by common division method
• Greatest Common Factor of 421, 682, 81 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 421

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

1,421

Factors of 682

List of positive integer factors of 682 that divides 682 without a remainder.

1,2,11,22,31,62,341,682

Factors of 81

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

1,3,9,27,81

Greatest Common Factor

We found the factors 421,682,81 . The biggest common factor number is the GCF number.
So the greatest common factor 421,682,81 is 1.

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

• GCF of 562, 868, 25
• GCF of 225, 478, 35
• GCF of 984, 155, 29
• GCF of 127, 431, 33
• GCF of 958, 549, 71

1. What is the GCF of 421, 682, 81?

Answer: GCF of 421, 682, 81 is 1.

2. How to Find the GCF of 421, 682, 81

Answer: Greatest Common Factor(GCF) of 421, 682, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(421, 682, 81) = 1.