What is the Greatest Common Factor of 63561 and 63579?

Greatest common factor (GCF) of 63561 and 63579 is 3.

GCF(63561,63579) = 3

We will now calculate the prime factors of 63561 and 63579, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63561 and 63579.

How to find the GCF of 63561 and 63579?

We will first find the prime factorization of 63561 and 63579. After we will calculate the factors of 63561 and 63579 and find the biggest common factor number .

Step-1: Prime Factorization of 63561

Prime factors of 63561 are 3, 21187. Prime factorization of 63561 in exponential form is:

63561 = 3¹ × 21187¹

Step-2: Prime Factorization of 63579

Prime factors of 63579 are 3, 21193. Prime factorization of 63579 in exponential form is:

63579 = 3¹ × 21193¹

Step-3: Factors of 63561

List of positive integer factors of 63561 that divides 63561 without a remainder.

1, 3, 21187

Step-4: Factors of 63579

List of positive integer factors of 63579 that divides 63561 without a remainder.

1, 3, 21193

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63561 and 63579. The biggest common factor number is the GCF number.
So the greatest common factor 63561 and 63579 is 3.

Also check out the Least Common Multiple of 63561 and 63579