Greatest Common Factor of 720, 51, 660, 665

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

• Greatest Common Factor of 720, 51, 660, 665 by common division method
• Greatest Common Factor of 720, 51, 660, 665 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 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 51

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

1,3,17,51

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Factors of 665

List of positive integer factors of 665 that divides 665 without a remainder.

1,5,7,19,35,95,133,665

Greatest Common Factor

We found the factors 720,51,660,665 . The biggest common factor number is the GCF number.
So the greatest common factor 720,51,660,665 is 1.

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

• GCF of 783, 40, 970, 550
• GCF of 117, 51, 723, 326
• GCF of 388, 19, 538, 866
• GCF of 355, 44, 548, 796
• GCF of 688, 78, 377, 392

1. What is the GCF of 720, 51, 660, 665?

Answer: GCF of 720, 51, 660, 665 is 1.

2. How to Find the GCF of 720, 51, 660, 665

Answer: Greatest Common Factor(GCF) of 720, 51, 660, 665 = 1

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

Step 2: Then multiply all the prime factors GCF(720, 51, 660, 665) = 1.