What is the Greatest Common Factor of 78591 and 78603?

Greatest common factor (GCF) of 78591 and 78603 is 3.

GCF(78591,78603) = 3

We will now calculate the prime factors of 78591 and 78603, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78591 and 78603.

How to find the GCF of 78591 and 78603?

We will first find the prime factorization of 78591 and 78603. After we will calculate the factors of 78591 and 78603 and find the biggest common factor number .

Step-1: Prime Factorization of 78591

Prime factors of 78591 are 3, 17, 23, 67. Prime factorization of 78591 in exponential form is:

78591 = 3¹ × 17¹ × 23¹ × 67¹

Step-2: Prime Factorization of 78603

Prime factors of 78603 are 3, 7, 19, 197. Prime factorization of 78603 in exponential form is:

78603 = 3¹ × 7¹ × 19¹ × 197¹

Step-3: Factors of 78591

List of positive integer factors of 78591 that divides 78591 without a remainder.

1, 3, 17, 23, 51, 67, 69, 201, 391, 1139, 1173, 1541, 3417, 4623, 26197

Step-4: Factors of 78603

List of positive integer factors of 78603 that divides 78591 without a remainder.

1, 3, 7, 19, 21, 57, 133, 197, 399, 591, 1379, 3743, 4137, 11229, 26201

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78591 and 78603. The biggest common factor number is the GCF number.
So the greatest common factor 78591 and 78603 is 3.

Also check out the Least Common Multiple of 78591 and 78603