What is the Greatest Common Factor of 78289 and 78302?

Greatest common factor (GCF) of 78289 and 78302 is 1.

GCF(78289,78302) = 1

We will now calculate the prime factors of 78289 and 78302, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78289 and 78302.

How to find the GCF of 78289 and 78302?

We will first find the prime factorization of 78289 and 78302. After we will calculate the factors of 78289 and 78302 and find the biggest common factor number .

Step-1: Prime Factorization of 78289

Prime factors of 78289 are 79, 991. Prime factorization of 78289 in exponential form is:

78289 = 79¹ × 991¹

Step-2: Prime Factorization of 78302

Prime factors of 78302 are 2, 7, 17, 47. Prime factorization of 78302 in exponential form is:

78302 = 2¹ × 7² × 17¹ × 47¹

Step-3: Factors of 78289

List of positive integer factors of 78289 that divides 78289 without a remainder.

1, 79, 991

Step-4: Factors of 78302

List of positive integer factors of 78302 that divides 78289 without a remainder.

1, 2, 7, 14, 17, 34, 47, 49, 94, 98, 119, 238, 329, 658, 799, 833, 1598, 1666, 2303, 4606, 5593, 11186, 39151

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78289 and 78302. The biggest common factor number is the GCF number.
So the greatest common factor 78289 and 78302 is 1.

Also check out the Least Common Multiple of 78289 and 78302