What is the Greatest Common Factor of 30561 and 30580?

Greatest common factor (GCF) of 30561 and 30580 is 1.

GCF(30561,30580) = 1

We will now calculate the prime factors of 30561 and 30580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30561 and 30580.

How to find the GCF of 30561 and 30580?

We will first find the prime factorization of 30561 and 30580. After we will calculate the factors of 30561 and 30580 and find the biggest common factor number .

Step-1: Prime Factorization of 30561

Prime factors of 30561 are 3, 61, 167. Prime factorization of 30561 in exponential form is:

30561 = 3¹ × 61¹ × 167¹

Step-2: Prime Factorization of 30580

Prime factors of 30580 are 2, 5, 11, 139. Prime factorization of 30580 in exponential form is:

30580 = 2² × 5¹ × 11¹ × 139¹

Step-3: Factors of 30561

List of positive integer factors of 30561 that divides 30561 without a remainder.

1, 3, 61, 167, 183, 501, 10187

Step-4: Factors of 30580

List of positive integer factors of 30580 that divides 30561 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 15290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30561 and 30580. The biggest common factor number is the GCF number.
So the greatest common factor 30561 and 30580 is 1.

Also check out the Least Common Multiple of 30561 and 30580