What is the Greatest Common Factor of 55215 and 55223?

Greatest common factor (GCF) of 55215 and 55223 is 1.

GCF(55215,55223) = 1

We will now calculate the prime factors of 55215 and 55223, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55215 and 55223.

How to find the GCF of 55215 and 55223?

We will first find the prime factorization of 55215 and 55223. After we will calculate the factors of 55215 and 55223 and find the biggest common factor number .

Step-1: Prime Factorization of 55215

Prime factors of 55215 are 3, 5, 409. Prime factorization of 55215 in exponential form is:

55215 = 3³ × 5¹ × 409¹

Step-2: Prime Factorization of 55223

Prime factors of 55223 are 7, 23. Prime factorization of 55223 in exponential form is:

55223 = 7⁴ × 23¹

Step-3: Factors of 55215

List of positive integer factors of 55215 that divides 55215 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 409, 1227, 2045, 3681, 6135, 11043, 18405

Step-4: Factors of 55223

List of positive integer factors of 55223 that divides 55215 without a remainder.

1, 7, 23, 49, 161, 343, 1127, 2401, 7889

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55215 and 55223. The biggest common factor number is the GCF number.
So the greatest common factor 55215 and 55223 is 1.

Also check out the Least Common Multiple of 55215 and 55223