Greatest Common Factor of 123, 170, 85

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

• Greatest Common Factor of 123, 170, 85 by common division method
• Greatest Common Factor of 123, 170, 85 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 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 123,170,85 . The biggest common factor number is the GCF number.
So the greatest common factor 123,170,85 is 1.

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

• GCF of 330, 425, 32
• GCF of 938, 841, 34
• GCF of 250, 663, 61
• GCF of 484, 337, 38
• GCF of 743, 152, 86

1. What is the GCF of 123, 170, 85?

Answer: GCF of 123, 170, 85 is 1.

2. How to Find the GCF of 123, 170, 85

Answer: Greatest Common Factor(GCF) of 123, 170, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(123, 170, 85) = 1.