What is the Greatest Common Factor of 78003 and 78013?

Greatest common factor (GCF) of 78003 and 78013 is 1.

GCF(78003,78013) = 1

We will now calculate the prime factors of 78003 and 78013, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78003 and 78013.

How to find the GCF of 78003 and 78013?

We will first find the prime factorization of 78003 and 78013. After we will calculate the factors of 78003 and 78013 and find the biggest common factor number .

Step-1: Prime Factorization of 78003

Prime factors of 78003 are 3, 107. Prime factorization of 78003 in exponential form is:

78003 = 3⁶ × 107¹

Step-2: Prime Factorization of 78013

Prime factors of 78013 are 13, 17, 353. Prime factorization of 78013 in exponential form is:

78013 = 13¹ × 17¹ × 353¹

Step-3: Factors of 78003

List of positive integer factors of 78003 that divides 78003 without a remainder.

1, 3, 9, 27, 81, 107, 243, 321, 729, 963, 2889, 8667, 26001

Step-4: Factors of 78013

List of positive integer factors of 78013 that divides 78003 without a remainder.

1, 13, 17, 221, 353, 4589, 6001

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78003 and 78013. The biggest common factor number is the GCF number.
So the greatest common factor 78003 and 78013 is 1.

Also check out the Least Common Multiple of 78003 and 78013