What is the Greatest Common Factor of 78673 and 78690?

Greatest common factor (GCF) of 78673 and 78690 is 1.

GCF(78673,78690) = 1

We will now calculate the prime factors of 78673 and 78690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78673 and 78690.

How to find the GCF of 78673 and 78690?

We will first find the prime factorization of 78673 and 78690. After we will calculate the factors of 78673 and 78690 and find the biggest common factor number .

Step-1: Prime Factorization of 78673

Prime factors of 78673 are 7, 11239. Prime factorization of 78673 in exponential form is:

78673 = 7¹ × 11239¹

Step-2: Prime Factorization of 78690

Prime factors of 78690 are 2, 3, 5, 43, 61. Prime factorization of 78690 in exponential form is:

78690 = 2¹ × 3¹ × 5¹ × 43¹ × 61¹

Step-3: Factors of 78673

List of positive integer factors of 78673 that divides 78673 without a remainder.

1, 7, 11239

Step-4: Factors of 78690

List of positive integer factors of 78690 that divides 78673 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 43, 61, 86, 122, 129, 183, 215, 258, 305, 366, 430, 610, 645, 915, 1290, 1830, 2623, 5246, 7869, 13115, 15738, 26230, 39345

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78673 and 78690. The biggest common factor number is the GCF number.
So the greatest common factor 78673 and 78690 is 1.

Also check out the Least Common Multiple of 78673 and 78690