What is the Greatest Common Factor of 30261 and 30270?

Greatest common factor (GCF) of 30261 and 30270 is 3.

GCF(30261,30270) = 3

We will now calculate the prime factors of 30261 and 30270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30261 and 30270.

How to find the GCF of 30261 and 30270?

We will first find the prime factorization of 30261 and 30270. After we will calculate the factors of 30261 and 30270 and find the biggest common factor number .

Step-1: Prime Factorization of 30261

Prime factors of 30261 are 3, 7, 11, 131. Prime factorization of 30261 in exponential form is:

30261 = 3¹ × 7¹ × 11¹ × 131¹

Step-2: Prime Factorization of 30270

Prime factors of 30270 are 2, 3, 5, 1009. Prime factorization of 30270 in exponential form is:

30270 = 2¹ × 3¹ × 5¹ × 1009¹

Step-3: Factors of 30261

List of positive integer factors of 30261 that divides 30261 without a remainder.

1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 10087

Step-4: Factors of 30270

List of positive integer factors of 30270 that divides 30261 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1009, 2018, 3027, 5045, 6054, 10090, 15135

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30261 and 30270. The biggest common factor number is the GCF number.
So the greatest common factor 30261 and 30270 is 3.

Also check out the Least Common Multiple of 30261 and 30270