Greatest Common Factor of 26, 90, 61, 18

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

• Greatest Common Factor of 26, 90, 61, 18 by common division method
• Greatest Common Factor of 26, 90, 61, 18 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 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 61

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

1,61

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 26,90,61,18 . The biggest common factor number is the GCF number.
So the greatest common factor 26,90,61,18 is 1.

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

• GCF of 70, 80, 91, 30
• GCF of 48, 29, 11, 40
• GCF of 59, 44, 91, 92
• GCF of 13, 24, 69, 48
• GCF of 25, 83, 25, 61

1. What is the GCF of 26, 90, 61, 18?

Answer: GCF of 26, 90, 61, 18 is 1.

2. How to Find the GCF of 26, 90, 61, 18

Answer: Greatest Common Factor(GCF) of 26, 90, 61, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(26, 90, 61, 18) = 1.