Greatest Common Factor of 197, 720, 1720, 678

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

• Greatest Common Factor of 197, 720, 1720, 678 by common division method
• Greatest Common Factor of 197, 720, 1720, 678 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 197

List of positive integer factors of 197 that divides 197 without a remainder.

1,197

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 1720

List of positive integer factors of 1720 that divides 1720 without a remainder.

1,2,4,5,8,10,20,40,43,86,172,215,344,430,860,1720

Factors of 678

List of positive integer factors of 678 that divides 678 without a remainder.

1,2,3,6,113,226,339,678

Greatest Common Factor

We found the factors 197,720,1720,678 . The biggest common factor number is the GCF number.
So the greatest common factor 197,720,1720,678 is 1.

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

• GCF of 393, 509, 3662, 629
• GCF of 514, 767, 6465, 461
• GCF of 790, 813, 4559, 446
• GCF of 171, 641, 2838, 323
• GCF of 910, 984, 3111, 264

1. What is the GCF of 197, 720, 1720, 678?

Answer: GCF of 197, 720, 1720, 678 is 1.

2. How to Find the GCF of 197, 720, 1720, 678

Answer: Greatest Common Factor(GCF) of 197, 720, 1720, 678 = 1

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

Step 2: Then multiply all the prime factors GCF(197, 720, 1720, 678) = 1.