Greatest Common Factor of 68, 170, 561

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

• Greatest Common Factor of 68, 170, 561 by common division method
• Greatest Common Factor of 68, 170, 561 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 17 = 17

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 68,170,561 . The biggest common factor number is the GCF number.
So the greatest common factor 68,170,561 is 17.

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

• GCF of 97, 437, 640
• GCF of 62, 802, 162
• GCF of 58, 450, 546
• GCF of 82, 157, 295
• GCF of 70, 101, 330

1. What is the GCF of 68, 170, 561?

Answer: GCF of 68, 170, 561 is 17.

2. How to Find the GCF of 68, 170, 561

Answer: Greatest Common Factor(GCF) of 68, 170, 561 = 17

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

Step 2: Then multiply all the prime factors GCF(68, 170, 561) = 17.