Greatest Common Factor of 380, 42, 18

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

• Greatest Common Factor of 380, 42, 18 by common division method
• Greatest Common Factor of 380, 42, 18 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 380,42,18 . The biggest common factor number is the GCF number.
So the greatest common factor 380,42,18 is 2.

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

• GCF of 421, 44, 84
• GCF of 910, 92, 34
• GCF of 988, 45, 88
• GCF of 526, 58, 42
• GCF of 230, 62, 81

1. What is the GCF of 380, 42, 18?

Answer: GCF of 380, 42, 18 is 2.

2. How to Find the GCF of 380, 42, 18

Answer: Greatest Common Factor(GCF) of 380, 42, 18 = 2

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

Step 2: Then multiply all the prime factors GCF(380, 42, 18) = 2.