Greatest Common Factor of 20, 81, 162, 462

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

• Greatest Common Factor of 20, 81, 162, 462 by common division method
• Greatest Common Factor of 20, 81, 162, 462 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 81

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

1,3,9,27,81

Factors of 162

List of positive integer factors of 162 that divides 162 without a remainder.

1,2,3,6,9,18,27,54,81,162

Factors of 462

List of positive integer factors of 462 that divides 462 without a remainder.

1,2,3,6,7,11,14,21,22,33,42,66,77,154,231,462

Greatest Common Factor

We found the factors 20,81,162,462 . The biggest common factor number is the GCF number.
So the greatest common factor 20,81,162,462 is 1.

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

• GCF of 20, 32, 879, 918
• GCF of 28, 44, 720, 985
• GCF of 39, 40, 328, 242
• GCF of 29, 65, 537, 814
• GCF of 73, 51, 311, 669

1. What is the GCF of 20, 81, 162, 462?

Answer: GCF of 20, 81, 162, 462 is 1.

2. How to Find the GCF of 20, 81, 162, 462

Answer: Greatest Common Factor(GCF) of 20, 81, 162, 462 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 81, 162, 462) = 1.