Greatest Common Factor of 18, 10, 38, 61, 50

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

• Greatest Common Factor of 18, 10, 38, 61, 50 by common division method
• Greatest Common Factor of 18, 10, 38, 61, 50 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 18

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

1,2,3,6,9,18

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 50

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

1,2,5,10,25,50

Greatest Common Factor

We found the factors 18,10,38,61,50 . The biggest common factor number is the GCF number.
So the greatest common factor 18,10,38,61,50 is 1.

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

• GCF of 62, 26, 85, 87, 69
• GCF of 12, 49, 86, 16, 18
• GCF of 69, 51, 67, 33, 46
• GCF of 34, 63, 96, 82, 43
• GCF of 43, 32, 43, 69, 28

1. What is the GCF of 18, 10, 38, 61, 50?

Answer: GCF of 18, 10, 38, 61, 50 is 1.

2. How to Find the GCF of 18, 10, 38, 61, 50

Answer: Greatest Common Factor(GCF) of 18, 10, 38, 61, 50 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 10, 38, 61, 50) = 1.