What is the Greatest Common Factor of 71388 and 71403?

Greatest common factor (GCF) of 71388 and 71403 is 3.

GCF(71388,71403) = 3

We will now calculate the prime factors of 71388 and 71403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71388 and 71403.

How to find the GCF of 71388 and 71403?

We will first find the prime factorization of 71388 and 71403. After we will calculate the factors of 71388 and 71403 and find the biggest common factor number .

Step-1: Prime Factorization of 71388

Prime factors of 71388 are 2, 3, 661. Prime factorization of 71388 in exponential form is:

71388 = 2² × 3³ × 661¹

Step-2: Prime Factorization of 71403

Prime factors of 71403 are 3, 23801. Prime factorization of 71403 in exponential form is:

71403 = 3¹ × 23801¹

Step-3: Factors of 71388

List of positive integer factors of 71388 that divides 71388 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 661, 1322, 1983, 2644, 3966, 5949, 7932, 11898, 17847, 23796, 35694

Step-4: Factors of 71403

List of positive integer factors of 71403 that divides 71388 without a remainder.

1, 3, 23801

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71388 and 71403. The biggest common factor number is the GCF number.
So the greatest common factor 71388 and 71403 is 3.

Also check out the Least Common Multiple of 71388 and 71403