Greatest Common Factor of 12, 15, 385

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

• Greatest Common Factor of 12, 15, 385 by common division method
• Greatest Common Factor of 12, 15, 385 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 15

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

1,3,5,15

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Greatest Common Factor

We found the factors 12,15,385 . The biggest common factor number is the GCF number.
So the greatest common factor 12,15,385 is 1.

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

• GCF of 77, 72, 486
• GCF of 11, 47, 838
• GCF of 80, 42, 198
• GCF of 61, 58, 184
• GCF of 68, 46, 900

1. What is the GCF of 12, 15, 385?

Answer: GCF of 12, 15, 385 is 1.

2. How to Find the GCF of 12, 15, 385

Answer: Greatest Common Factor(GCF) of 12, 15, 385 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 15, 385) = 1.