Greatest Common Factor of 19, 78, 38, 137

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

• Greatest Common Factor of 19, 78, 38, 137 by common division method
• Greatest Common Factor of 19, 78, 38, 137 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 38

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

1,2,19,38

Factors of 137

List of positive integer factors of 137 that divides 137 without a remainder.

1,137

Greatest Common Factor

We found the factors 19,78,38,137 . The biggest common factor number is the GCF number.
So the greatest common factor 19,78,38,137 is 1.

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

• GCF of 53, 85, 61, 209
• GCF of 26, 63, 76, 242
• GCF of 91, 17, 28, 651
• GCF of 83, 63, 26, 662
• GCF of 34, 64, 70, 407

1. What is the GCF of 19, 78, 38, 137?

Answer: GCF of 19, 78, 38, 137 is 1.

2. How to Find the GCF of 19, 78, 38, 137

Answer: Greatest Common Factor(GCF) of 19, 78, 38, 137 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 78, 38, 137) = 1.