Greatest Common Factor of 38, 12, 51, 991

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

• Greatest Common Factor of 38, 12, 51, 991 by common division method
• Greatest Common Factor of 38, 12, 51, 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 38

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

1,2,19,38

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

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 38,12,51,991 . The biggest common factor number is the GCF number.
So the greatest common factor 38,12,51,991 is 1.

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

• GCF of 28, 48, 75, 307
• GCF of 57, 50, 91, 517
• GCF of 51, 20, 29, 683
• GCF of 23, 77, 39, 600
• GCF of 92, 78, 65, 349

1. What is the GCF of 38, 12, 51, 991?

Answer: GCF of 38, 12, 51, 991 is 1.

2. How to Find the GCF of 38, 12, 51, 991

Answer: Greatest Common Factor(GCF) of 38, 12, 51, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 12, 51, 991) = 1.