Greatest Common Factor of 720, 649, 78

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

• Greatest Common Factor of 720, 649, 78 by common division method
• Greatest Common Factor of 720, 649, 78 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 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 649

List of positive integer factors of 649 that divides 649 without a remainder.

1,11,59,649

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Greatest Common Factor

We found the factors 720,649,78 . The biggest common factor number is the GCF number.
So the greatest common factor 720,649,78 is 1.

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

• GCF of 148, 379, 76
• GCF of 131, 393, 66
• GCF of 174, 330, 74
• GCF of 812, 358, 43
• GCF of 884, 424, 67

1. What is the GCF of 720, 649, 78?

Answer: GCF of 720, 649, 78 is 1.

2. How to Find the GCF of 720, 649, 78

Answer: Greatest Common Factor(GCF) of 720, 649, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(720, 649, 78) = 1.