Greatest Common Factor of 123, 170, 51

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

• Greatest Common Factor of 123, 170, 51 by common division method
• Greatest Common Factor of 123, 170, 51 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 123,170,51 . The biggest common factor number is the GCF number.
So the greatest common factor 123,170,51 is 1.

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

• GCF of 617, 144, 82
• GCF of 223, 630, 11
• GCF of 894, 914, 65
• GCF of 123, 738, 51
• GCF of 941, 556, 48

1. What is the GCF of 123, 170, 51?

Answer: GCF of 123, 170, 51 is 1.

2. How to Find the GCF of 123, 170, 51

Answer: Greatest Common Factor(GCF) of 123, 170, 51 = 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, 51) = 1.