Greatest Common Factor of 27, 90, 155

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

• Greatest Common Factor of 27, 90, 155 by common division method
• Greatest Common Factor of 27, 90, 155 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

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 27,90,155 . The biggest common factor number is the GCF number.
So the greatest common factor 27,90,155 is 1.

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

• GCF of 15, 43, 275
• GCF of 82, 12, 274
• GCF of 86, 31, 744
• GCF of 74, 70, 172
• GCF of 87, 25, 613

1. What is the GCF of 27, 90, 155?

Answer: GCF of 27, 90, 155 is 1.

2. How to Find the GCF of 27, 90, 155

Answer: Greatest Common Factor(GCF) of 27, 90, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 90, 155) = 1.