Greatest Common Factor of 780, 855, 393

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

• Greatest Common Factor of 780, 855, 393 by common division method
• Greatest Common Factor of 780, 855, 393 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Greatest Common Factor

We found the factors 780,855,393 . The biggest common factor number is the GCF number.
So the greatest common factor 780,855,393 is 3.

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

• GCF of 286, 729, 254
• GCF of 387, 720, 793
• GCF of 970, 165, 219
• GCF of 855, 708, 620
• GCF of 218, 951, 620

1. What is the GCF of 780, 855, 393?

Answer: GCF of 780, 855, 393 is 3.

2. How to Find the GCF of 780, 855, 393

Answer: Greatest Common Factor(GCF) of 780, 855, 393 = 3

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

Step 2: Then multiply all the prime factors GCF(780, 855, 393) = 3.