Greatest Common Factor of 50, 81, 18, 55, 513

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

• Greatest Common Factor of 50, 81, 18, 55, 513 by common division method
• Greatest Common Factor of 50, 81, 18, 55, 513 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 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 81

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

1,3,9,27,81

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 513

List of positive integer factors of 513 that divides 513 without a remainder.

1,3,9,19,27,57,171,513

Greatest Common Factor

We found the factors 50,81,18,55,513 . The biggest common factor number is the GCF number.
So the greatest common factor 50,81,18,55,513 is 1.

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

• GCF of 72, 31, 52, 35, 420
• GCF of 91, 87, 93, 27, 657
• GCF of 43, 20, 33, 16, 113
• GCF of 69, 18, 60, 66, 875
• GCF of 60, 87, 36, 31, 558

1. What is the GCF of 50, 81, 18, 55, 513?

Answer: GCF of 50, 81, 18, 55, 513 is 1.

2. How to Find the GCF of 50, 81, 18, 55, 513

Answer: Greatest Common Factor(GCF) of 50, 81, 18, 55, 513 = 1

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

Step 2: Then multiply all the prime factors GCF(50, 81, 18, 55, 513) = 1.