Greatest Common Factor of 81, 805, 142

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

• Greatest Common Factor of 81, 805, 142 by common division method
• Greatest Common Factor of 81, 805, 142 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 805

List of positive integer factors of 805 that divides 805 without a remainder.

1,5,7,23,35,115,161,805

Factors of 142

List of positive integer factors of 142 that divides 142 without a remainder.

1,2,71,142

Greatest Common Factor

We found the factors 81,805,142 . The biggest common factor number is the GCF number.
So the greatest common factor 81,805,142 is 1.

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

• GCF of 64, 304, 122
• GCF of 39, 969, 648
• GCF of 84, 579, 277
• GCF of 48, 477, 231
• GCF of 10, 306, 117

1. What is the GCF of 81, 805, 142?

Answer: GCF of 81, 805, 142 is 1.

2. How to Find the GCF of 81, 805, 142

Answer: Greatest Common Factor(GCF) of 81, 805, 142 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 805, 142) = 1.