Greatest Common Factor of 647, 720, 15

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

• Greatest Common Factor of 647, 720, 15 by common division method
• Greatest Common Factor of 647, 720, 15 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 647

List of positive integer factors of 647 that divides 647 without a remainder.

1,647

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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Greatest Common Factor

We found the factors 647,720,15 . The biggest common factor number is the GCF number.
So the greatest common factor 647,720,15 is 1.

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

• GCF of 162, 468, 72
• GCF of 877, 496, 45
• GCF of 749, 391, 50
• GCF of 361, 752, 13
• GCF of 592, 395, 13

1. What is the GCF of 647, 720, 15?

Answer: GCF of 647, 720, 15 is 1.

2. How to Find the GCF of 647, 720, 15

Answer: Greatest Common Factor(GCF) of 647, 720, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(647, 720, 15) = 1.