Greatest Common Factor of 81, 105, 155

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

• Greatest Common Factor of 81, 105, 155 by common division method
• Greatest Common Factor of 81, 105, 155 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 81

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

1,3,9,27,81

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 155

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

1,5,31,155

Greatest Common Factor

We found the factors 81,105,155 . The biggest common factor number is the GCF number.
So the greatest common factor 81,105,155 is 1.

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

• GCF of 39, 618, 617
• GCF of 83, 498, 293
• GCF of 30, 954, 763
• GCF of 78, 672, 915
• GCF of 81, 215, 344

1. What is the GCF of 81, 105, 155?

Answer: GCF of 81, 105, 155 is 1.

2. How to Find the GCF of 81, 105, 155

Answer: Greatest Common Factor(GCF) of 81, 105, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 105, 155) = 1.