Greatest Common Factor of 18, 380, 561

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

• Greatest Common Factor of 18, 380, 561 by common division method
• Greatest Common Factor of 18, 380, 561 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 380

List of positive integer factors of 380 that divides 380 without a remainder.

1,2,4,5,10,19,20,38,76,95,190,380

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 18,380,561 . The biggest common factor number is the GCF number.
So the greatest common factor 18,380,561 is 1.

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

• GCF of 26, 126, 157
• GCF of 29, 778, 768
• GCF of 93, 475, 947
• GCF of 53, 353, 758
• GCF of 84, 487, 488

1. What is the GCF of 18, 380, 561?

Answer: GCF of 18, 380, 561 is 1.

2. How to Find the GCF of 18, 380, 561

Answer: Greatest Common Factor(GCF) of 18, 380, 561 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 380, 561) = 1.