What is the Greatest Common Factor of 61191 and 61203?

Greatest common factor (GCF) of 61191 and 61203 is 3.

GCF(61191,61203) = 3

We will now calculate the prime factors of 61191 and 61203, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61191 and 61203.

How to find the GCF of 61191 and 61203?

We will first find the prime factorization of 61191 and 61203. After we will calculate the factors of 61191 and 61203 and find the biggest common factor number .

Step-1: Prime Factorization of 61191

Prime factors of 61191 are 3, 13, 523. Prime factorization of 61191 in exponential form is:

61191 = 3² × 13¹ × 523¹

Step-2: Prime Factorization of 61203

Prime factors of 61203 are 3, 23, 887. Prime factorization of 61203 in exponential form is:

61203 = 3¹ × 23¹ × 887¹

Step-3: Factors of 61191

List of positive integer factors of 61191 that divides 61191 without a remainder.

1, 3, 9, 13, 39, 117, 523, 1569, 4707, 6799, 20397

Step-4: Factors of 61203

List of positive integer factors of 61203 that divides 61191 without a remainder.

1, 3, 23, 69, 887, 2661, 20401

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61191 and 61203. The biggest common factor number is the GCF number.
So the greatest common factor 61191 and 61203 is 3.

Also check out the Least Common Multiple of 61191 and 61203