Greatest Common Factor of 15, 78, 97, 195

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

• Greatest Common Factor of 15, 78, 97, 195 by common division method
• Greatest Common Factor of 15, 78, 97, 195 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 195

List of positive integer factors of 195 that divides 195 without a remainder.

1,3,5,13,15,39,65,195

Greatest Common Factor

We found the factors 15,78,97,195 . The biggest common factor number is the GCF number.
So the greatest common factor 15,78,97,195 is 1.

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

• GCF of 48, 17, 79, 942
• GCF of 92, 19, 55, 544
• GCF of 44, 10, 55, 874
• GCF of 95, 61, 93, 891
• GCF of 79, 15, 27, 443

1. What is the GCF of 15, 78, 97, 195?

Answer: GCF of 15, 78, 97, 195 is 1.

2. How to Find the GCF of 15, 78, 97, 195

Answer: Greatest Common Factor(GCF) of 15, 78, 97, 195 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 78, 97, 195) = 1.