Greatest Common Factor of 20, 22, 155

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

• Greatest Common Factor of 20, 22, 155 by common division method
• Greatest Common Factor of 20, 22, 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

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 20,22,155 . The biggest common factor number is the GCF number.
So the greatest common factor 20,22,155 is 1.

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

• GCF of 52, 24, 590
• GCF of 99, 17, 222
• GCF of 83, 26, 954
• GCF of 94, 82, 268
• GCF of 82, 49, 958

1. What is the GCF of 20, 22, 155?

Answer: GCF of 20, 22, 155 is 1.

2. How to Find the GCF of 20, 22, 155

Answer: Greatest Common Factor(GCF) of 20, 22, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 22, 155) = 1.