Greatest Common Factor of 287, 155, 12

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

• Greatest Common Factor of 287, 155, 12 by common division method
• Greatest Common Factor of 287, 155, 12 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 287

List of positive integer factors of 287 that divides 287 without a remainder.

1,7,41,287

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 12

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

1,2,3,4,6,12

Greatest Common Factor

We found the factors 287,155,12 . The biggest common factor number is the GCF number.
So the greatest common factor 287,155,12 is 1.

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

• GCF of 100, 238, 89
• GCF of 525, 927, 76
• GCF of 786, 543, 46
• GCF of 396, 919, 37
• GCF of 406, 184, 73

1. What is the GCF of 287, 155, 12?

Answer: GCF of 287, 155, 12 is 1.

2. How to Find the GCF of 287, 155, 12

Answer: Greatest Common Factor(GCF) of 287, 155, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(287, 155, 12) = 1.