Greatest Common Factor of 6489, 2640

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

• Greatest Common Factor of 6489, 2640 by common division method
• Greatest Common Factor of 6489, 2640 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 6489

List of positive integer factors of 6489 that divides 6489 without a remainder.

1,3,7,9,21,63,103,309,721,927,2163,6489

Factors of 2640

List of positive integer factors of 2640 that divides 2640 without a remainder.

1,2,3,4,5,6,8,10,11,12,15,16,20,22,24,30,33,40,44,48,55,60,66,80,88,110,120,132,165,176,220,240,264,330,440,528,660,880,1320,2640

Greatest Common Factor

We found the factors 6489,2640 . The biggest common factor number is the GCF number.
So the greatest common factor 6489,2640 is 3.

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

• GCF of 3224, 5203
• GCF of 7042, 5442
• GCF of 7049, 4766
• GCF of 7292, 6642
• GCF of 8788, 8129

1. What is the GCF of 6489, 2640?

Answer: GCF of 6489, 2640 is 3.

2. How to Find the GCF of 6489, 2640

Answer: Greatest Common Factor(GCF) of 6489, 2640 = 3

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

Step 2: Then multiply all the prime factors GCF(6489, 2640) = 3.