What is the Greatest Common Factor of 39290 and 39305?

Greatest common factor (GCF) of 39290 and 39305 is 5.

GCF(39290,39305) = 5

We will now calculate the prime factors of 39290 and 39305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39290 and 39305.

How to find the GCF of 39290 and 39305?

We will first find the prime factorization of 39290 and 39305. After we will calculate the factors of 39290 and 39305 and find the biggest common factor number .

Step-1: Prime Factorization of 39290

Prime factors of 39290 are 2, 5, 3929. Prime factorization of 39290 in exponential form is:

39290 = 2¹ × 5¹ × 3929¹

Step-2: Prime Factorization of 39305

Prime factors of 39305 are 5, 7, 1123. Prime factorization of 39305 in exponential form is:

39305 = 5¹ × 7¹ × 1123¹

Step-3: Factors of 39290

List of positive integer factors of 39290 that divides 39290 without a remainder.

1, 2, 5, 10, 3929, 7858, 19645

Step-4: Factors of 39305

List of positive integer factors of 39305 that divides 39290 without a remainder.

1, 5, 7, 35, 1123, 5615, 7861

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39290 and 39305. The biggest common factor number is the GCF number.
So the greatest common factor 39290 and 39305 is 5.

Also check out the Least Common Multiple of 39290 and 39305