What is the Greatest Common Factor of 72009 and 72013?

Greatest common factor (GCF) of 72009 and 72013 is 1.

GCF(72009,72013) = 1

We will now calculate the prime factors of 72009 and 72013, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72009 and 72013.

How to find the GCF of 72009 and 72013?

We will first find the prime factorization of 72009 and 72013. After we will calculate the factors of 72009 and 72013 and find the biggest common factor number .

Step-1: Prime Factorization of 72009

Prime factors of 72009 are 3, 7, 127. Prime factorization of 72009 in exponential form is:

72009 = 3⁴ × 7¹ × 127¹

Step-2: Prime Factorization of 72013

Prime factors of 72013 are 23, 31, 101. Prime factorization of 72013 in exponential form is:

72013 = 23¹ × 31¹ × 101¹

Step-3: Factors of 72009

List of positive integer factors of 72009 that divides 72009 without a remainder.

1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 567, 889, 1143, 2667, 3429, 8001, 10287, 24003

Step-4: Factors of 72013

List of positive integer factors of 72013 that divides 72009 without a remainder.

1, 23, 31, 101, 713, 2323, 3131

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72009 and 72013. The biggest common factor number is the GCF number.
So the greatest common factor 72009 and 72013 is 1.

Also check out the Least Common Multiple of 72009 and 72013