Greatest Common Factor of 12, 81, 145

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

• Greatest Common Factor of 12, 81, 145 by common division method
• Greatest Common Factor of 12, 81, 145 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 12,81,145 . The biggest common factor number is the GCF number.
So the greatest common factor 12,81,145 is 1.

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

• GCF of 83, 51, 486
• GCF of 64, 42, 157
• GCF of 28, 42, 284
• GCF of 52, 81, 737
• GCF of 27, 94, 159

1. What is the GCF of 12, 81, 145?

Answer: GCF of 12, 81, 145 is 1.

2. How to Find the GCF of 12, 81, 145

Answer: Greatest Common Factor(GCF) of 12, 81, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 81, 145) = 1.