What is the Greatest Common Factor of 39215 and 39221?

Greatest common factor (GCF) of 39215 and 39221 is 1.

GCF(39215,39221) = 1

We will now calculate the prime factors of 39215 and 39221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39215 and 39221.

How to find the GCF of 39215 and 39221?

We will first find the prime factorization of 39215 and 39221. After we will calculate the factors of 39215 and 39221 and find the biggest common factor number .

Step-1: Prime Factorization of 39215

Prime factors of 39215 are 5, 11, 23, 31. Prime factorization of 39215 in exponential form is:

39215 = 5¹ × 11¹ × 23¹ × 31¹

Step-2: Prime Factorization of 39221

Prime factors of 39221 are 7, 13, 431. Prime factorization of 39221 in exponential form is:

39221 = 7¹ × 13¹ × 431¹

Step-3: Factors of 39215

List of positive integer factors of 39215 that divides 39215 without a remainder.

1, 5, 11, 23, 31, 55, 115, 155, 253, 341, 713, 1265, 1705, 3565, 7843

Step-4: Factors of 39221

List of positive integer factors of 39221 that divides 39215 without a remainder.

1, 7, 13, 91, 431, 3017, 5603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39215 and 39221. The biggest common factor number is the GCF number.
So the greatest common factor 39215 and 39221 is 1.

Also check out the Least Common Multiple of 39215 and 39221