What is the Greatest Common Factor of 39406 and 39425?

Greatest common factor (GCF) of 39406 and 39425 is 19.

GCF(39406,39425) = 19

We will now calculate the prime factors of 39406 and 39425, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39406 and 39425.

How to find the GCF of 39406 and 39425?

We will first find the prime factorization of 39406 and 39425. After we will calculate the factors of 39406 and 39425 and find the biggest common factor number .

Step-1: Prime Factorization of 39406

Prime factors of 39406 are 2, 17, 19, 61. Prime factorization of 39406 in exponential form is:

39406 = 2¹ × 17¹ × 19¹ × 61¹

Step-2: Prime Factorization of 39425

Prime factors of 39425 are 5, 19, 83. Prime factorization of 39425 in exponential form is:

39425 = 5² × 19¹ × 83¹

Step-3: Factors of 39406

List of positive integer factors of 39406 that divides 39406 without a remainder.

1, 2, 17, 19, 34, 38, 61, 122, 323, 646, 1037, 1159, 2074, 2318, 19703

Step-4: Factors of 39425

List of positive integer factors of 39425 that divides 39406 without a remainder.

1, 5, 19, 25, 83, 95, 415, 475, 1577, 2075, 7885

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39406 and 39425. The biggest common factor number is the GCF number.
So the greatest common factor 39406 and 39425 is 19.

Also check out the Least Common Multiple of 39406 and 39425