What is the Greatest Common Factor of 55385 and 55403?

Greatest common factor (GCF) of 55385 and 55403 is 1.

GCF(55385,55403) = 1

We will now calculate the prime factors of 55385 and 55403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55385 and 55403.

How to find the GCF of 55385 and 55403?

We will first find the prime factorization of 55385 and 55403. After we will calculate the factors of 55385 and 55403 and find the biggest common factor number .

Step-1: Prime Factorization of 55385

Prime factors of 55385 are 5, 11, 19, 53. Prime factorization of 55385 in exponential form is:

55385 = 5¹ × 11¹ × 19¹ × 53¹

Step-2: Prime Factorization of 55403

Prime factors of 55403 are 17, 3259. Prime factorization of 55403 in exponential form is:

55403 = 17¹ × 3259¹

Step-3: Factors of 55385

List of positive integer factors of 55385 that divides 55385 without a remainder.

1, 5, 11, 19, 53, 55, 95, 209, 265, 583, 1007, 1045, 2915, 5035, 11077

Step-4: Factors of 55403

List of positive integer factors of 55403 that divides 55385 without a remainder.

1, 17, 3259

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55385 and 55403. The biggest common factor number is the GCF number.
So the greatest common factor 55385 and 55403 is 1.

Also check out the Least Common Multiple of 55385 and 55403