Greatest Common Factor of 18, 380, 991

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

• Greatest Common Factor of 18, 380, 991 by common division method
• Greatest Common Factor of 18, 380, 991 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 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Greatest Common Factor

We found the factors 18,380,991 . The biggest common factor number is the GCF number.
So the greatest common factor 18,380,991 is 1.

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

• GCF of 64, 307, 717
• GCF of 48, 651, 791
• GCF of 41, 642, 951
• GCF of 40, 601, 340
• GCF of 85, 187, 956

1. What is the GCF of 18, 380, 991?

Answer: GCF of 18, 380, 991 is 1.

2. How to Find the GCF of 18, 380, 991

Answer: Greatest Common Factor(GCF) of 18, 380, 991 = 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, 991) = 1.