What is the Greatest Common Factor of 71903 and 71916?

Greatest common factor (GCF) of 71903 and 71916 is 13.

GCF(71903,71916) = 13

We will now calculate the prime factors of 71903 and 71916, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71903 and 71916.

How to find the GCF of 71903 and 71916?

We will first find the prime factorization of 71903 and 71916. After we will calculate the factors of 71903 and 71916 and find the biggest common factor number .

Step-1: Prime Factorization of 71903

Prime factors of 71903 are 13, 5531. Prime factorization of 71903 in exponential form is:

71903 = 13¹ × 5531¹

Step-2: Prime Factorization of 71916

Prime factors of 71916 are 2, 3, 13, 461. Prime factorization of 71916 in exponential form is:

71916 = 2² × 3¹ × 13¹ × 461¹

Step-3: Factors of 71903

List of positive integer factors of 71903 that divides 71903 without a remainder.

1, 13, 5531

Step-4: Factors of 71916

List of positive integer factors of 71916 that divides 71903 without a remainder.

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 461, 922, 1383, 1844, 2766, 5532, 5993, 11986, 17979, 23972, 35958

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71903 and 71916. The biggest common factor number is the GCF number.
So the greatest common factor 71903 and 71916 is 13.

Also check out the Least Common Multiple of 71903 and 71916