What is the Greatest Common Factor of 78902 and 78915?

Greatest common factor (GCF) of 78902 and 78915 is 1.

GCF(78902,78915) = 1

We will now calculate the prime factors of 78902 and 78915, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78902 and 78915.

How to find the GCF of 78902 and 78915?

We will first find the prime factorization of 78902 and 78915. After we will calculate the factors of 78902 and 78915 and find the biggest common factor number .

Step-1: Prime Factorization of 78902

Prime factors of 78902 are 2, 39451. Prime factorization of 78902 in exponential form is:

78902 = 2¹ × 39451¹

Step-2: Prime Factorization of 78915

Prime factors of 78915 are 3, 5, 5261. Prime factorization of 78915 in exponential form is:

78915 = 3¹ × 5¹ × 5261¹

Step-3: Factors of 78902

List of positive integer factors of 78902 that divides 78902 without a remainder.

1, 2, 39451

Step-4: Factors of 78915

List of positive integer factors of 78915 that divides 78902 without a remainder.

1, 3, 5, 15, 5261, 15783, 26305

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78902 and 78915. The biggest common factor number is the GCF number.
So the greatest common factor 78902 and 78915 is 1.

Also check out the Least Common Multiple of 78902 and 78915