Greatest Common Factor of 81, 136, 421

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

• Greatest Common Factor of 81, 136, 421 by common division method
• Greatest Common Factor of 81, 136, 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 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

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 81,136,421 . The biggest common factor number is the GCF number.
So the greatest common factor 81,136,421 is 1.

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

• GCF of 85, 909, 206
• GCF of 44, 910, 845
• GCF of 36, 624, 694
• GCF of 32, 252, 743
• GCF of 64, 873, 275

1. What is the GCF of 81, 136, 421?

Answer: GCF of 81, 136, 421 is 1.

2. How to Find the GCF of 81, 136, 421

Answer: Greatest Common Factor(GCF) of 81, 136, 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, 136, 421) = 1.