What is the Greatest Common Factor of 33215 and 33221?

Greatest common factor (GCF) of 33215 and 33221 is 1.

GCF(33215,33221) = 1

We will now calculate the prime factors of 33215 and 33221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 33215 and 33221.

How to find the GCF of 33215 and 33221?

We will first find the prime factorization of 33215 and 33221. After we will calculate the factors of 33215 and 33221 and find the biggest common factor number .

Step-1: Prime Factorization of 33215

Prime factors of 33215 are 5, 7, 13, 73. Prime factorization of 33215 in exponential form is:

33215 = 5¹ × 7¹ × 13¹ × 73¹

Step-2: Prime Factorization of 33221

Prime factors of 33221 are 139, 239. Prime factorization of 33221 in exponential form is:

33221 = 139¹ × 239¹

Step-3: Factors of 33215

List of positive integer factors of 33215 that divides 33215 without a remainder.

1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 2555, 4745, 6643

Step-4: Factors of 33221

List of positive integer factors of 33221 that divides 33215 without a remainder.

1, 139, 239

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 33215 and 33221. The biggest common factor number is the GCF number.
So the greatest common factor 33215 and 33221 is 1.

Also check out the Least Common Multiple of 33215 and 33221