Greatest Common Factor of 19, 47, 391

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

• Greatest Common Factor of 19, 47, 391 by common division method
• Greatest Common Factor of 19, 47, 391 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 19,47,391 . The biggest common factor number is the GCF number.
So the greatest common factor 19,47,391 is 1.

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

• GCF of 98, 10, 808
• GCF of 37, 67, 122
• GCF of 34, 76, 460
• GCF of 53, 63, 940
• GCF of 23, 29, 805

1. What is the GCF of 19, 47, 391?

Answer: GCF of 19, 47, 391 is 1.

2. How to Find the GCF of 19, 47, 391

Answer: Greatest Common Factor(GCF) of 19, 47, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 47, 391) = 1.