What is the Greatest Common Factor of 39470 and 39478?

Greatest common factor (GCF) of 39470 and 39478 is 2.

GCF(39470,39478) = 2

We will now calculate the prime factors of 39470 and 39478, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39470 and 39478.

How to find the GCF of 39470 and 39478?

We will first find the prime factorization of 39470 and 39478. After we will calculate the factors of 39470 and 39478 and find the biggest common factor number .

Step-1: Prime Factorization of 39470

Prime factors of 39470 are 2, 5, 3947. Prime factorization of 39470 in exponential form is:

39470 = 2¹ × 5¹ × 3947¹

Step-2: Prime Factorization of 39478

Prime factors of 39478 are 2, 19739. Prime factorization of 39478 in exponential form is:

39478 = 2¹ × 19739¹

Step-3: Factors of 39470

List of positive integer factors of 39470 that divides 39470 without a remainder.

1, 2, 5, 10, 3947, 7894, 19735

Step-4: Factors of 39478

List of positive integer factors of 39478 that divides 39470 without a remainder.

1, 2, 19739

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39470 and 39478. The biggest common factor number is the GCF number.
So the greatest common factor 39470 and 39478 is 2.

Also check out the Least Common Multiple of 39470 and 39478