Greatest Common Factor of 7521, 6420

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

• Greatest Common Factor of 7521, 6420 by common division method
• Greatest Common Factor of 7521, 6420 with matching the biggest common factor

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

Factors of 7521

List of positive integer factors of 7521 that divides 7521 without a remainder.

1,3,23,69,109,327,2507,7521

Factors of 6420

List of positive integer factors of 6420 that divides 6420 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60,107,214,321,428,535,642,1070,1284,1605,2140,3210,6420

Greatest Common Factor

We found the factors 7521,6420 . The biggest common factor number is the GCF number.
So the greatest common factor 7521,6420 is 3.

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

• GCF of 5182, 5909
• GCF of 5377, 3316
• GCF of 7637, 8339
• GCF of 8323, 3005
• GCF of 8465, 6176

1. What is the GCF of 7521, 6420?

Answer: GCF of 7521, 6420 is 3.

2. How to Find the GCF of 7521, 6420

Answer: Greatest Common Factor(GCF) of 7521, 6420 = 3

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

Step 2: Then multiply all the prime factors GCF(7521, 6420) = 3.