Greatest Common Factor of 720, 128, 170

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

• Greatest Common Factor of 720, 128, 170 by common division method
• Greatest Common Factor of 720, 128, 170 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Factors of 170

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

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

Greatest Common Factor

We found the factors 720,128,170 . The biggest common factor number is the GCF number.
So the greatest common factor 720,128,170 is 2.

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

• GCF of 159, 154, 983
• GCF of 344, 377, 440
• GCF of 133, 242, 948
• GCF of 777, 276, 696
• GCF of 498, 451, 360

1. What is the GCF of 720, 128, 170?

Answer: GCF of 720, 128, 170 is 2.

2. How to Find the GCF of 720, 128, 170

Answer: Greatest Common Factor(GCF) of 720, 128, 170 = 2

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

Step 2: Then multiply all the prime factors GCF(720, 128, 170) = 2.