Greatest Common Factor of 78, 15, 388

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

• Greatest Common Factor of 78, 15, 388 by common division method
• Greatest Common Factor of 78, 15, 388 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 78

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

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

Factors of 15

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

1,3,5,15

Factors of 388

List of positive integer factors of 388 that divides 388 without a remainder.

1,2,4,97,194,388

Greatest Common Factor

We found the factors 78,15,388 . The biggest common factor number is the GCF number.
So the greatest common factor 78,15,388 is 1.

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

• GCF of 19, 79, 240
• GCF of 49, 63, 930
• GCF of 11, 95, 889
• GCF of 61, 47, 857
• GCF of 17, 79, 474

1. What is the GCF of 78, 15, 388?

Answer: GCF of 78, 15, 388 is 1.

2. How to Find the GCF of 78, 15, 388

Answer: Greatest Common Factor(GCF) of 78, 15, 388 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 15, 388) = 1.