Greatest Common Factor of 195, 455, 78

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

• Greatest Common Factor of 195, 455, 78 by common division method
• Greatest Common Factor of 195, 455, 78 with matching the biggest common factor

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∴ So the GCF of the given numbers is 13 = 13

Factors of 195

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

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

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 78

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

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

Greatest Common Factor

We found the factors 195,455,78 . The biggest common factor number is the GCF number.
So the greatest common factor 195,455,78 is 13.

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

• GCF of 441, 593, 79
• GCF of 154, 670, 14
• GCF of 130, 664, 85
• GCF of 615, 442, 31
• GCF of 730, 152, 24

1. What is the GCF of 195, 455, 78?

Answer: GCF of 195, 455, 78 is 13.

2. How to Find the GCF of 195, 455, 78

Answer: Greatest Common Factor(GCF) of 195, 455, 78 = 13

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

Step 2: Then multiply all the prime factors GCF(195, 455, 78) = 13.