What is the Greatest Common Factor of 78942 and 78953?

Greatest common factor (GCF) of 78942 and 78953 is 1.

GCF(78942,78953) = 1

We will now calculate the prime factors of 78942 and 78953, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78942 and 78953.

How to find the GCF of 78942 and 78953?

We will first find the prime factorization of 78942 and 78953. After we will calculate the factors of 78942 and 78953 and find the biggest common factor number .

Step-1: Prime Factorization of 78942

Prime factors of 78942 are 2, 3, 59, 223. Prime factorization of 78942 in exponential form is:

78942 = 2¹ × 3¹ × 59¹ × 223¹

Step-2: Prime Factorization of 78953

Prime factors of 78953 are 7, 11279. Prime factorization of 78953 in exponential form is:

78953 = 7¹ × 11279¹

Step-3: Factors of 78942

List of positive integer factors of 78942 that divides 78942 without a remainder.

1, 2, 3, 6, 59, 118, 177, 223, 354, 446, 669, 1338, 13157, 26314, 39471

Step-4: Factors of 78953

List of positive integer factors of 78953 that divides 78942 without a remainder.

1, 7, 11279

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78942 and 78953. The biggest common factor number is the GCF number.
So the greatest common factor 78942 and 78953 is 1.

Also check out the Least Common Multiple of 78942 and 78953