What is the Greatest Common Factor of 70425 and 70438?

Greatest common factor (GCF) of 70425 and 70438 is 1.

GCF(70425,70438) = 1

We will now calculate the prime factors of 70425 and 70438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70425 and 70438.

How to find the GCF of 70425 and 70438?

We will first find the prime factorization of 70425 and 70438. After we will calculate the factors of 70425 and 70438 and find the biggest common factor number .

Step-1: Prime Factorization of 70425

Prime factors of 70425 are 3, 5, 313. Prime factorization of 70425 in exponential form is:

70425 = 3² × 5² × 313¹

Step-2: Prime Factorization of 70438

Prime factors of 70438 are 2, 41, 859. Prime factorization of 70438 in exponential form is:

70438 = 2¹ × 41¹ × 859¹

Step-3: Factors of 70425

List of positive integer factors of 70425 that divides 70425 without a remainder.

1, 3, 5, 9, 15, 25, 45, 75, 225, 313, 939, 1565, 2817, 4695, 7825, 14085, 23475

Step-4: Factors of 70438

List of positive integer factors of 70438 that divides 70425 without a remainder.

1, 2, 41, 82, 859, 1718, 35219

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70425 and 70438. The biggest common factor number is the GCF number.
So the greatest common factor 70425 and 70438 is 1.

Also check out the Least Common Multiple of 70425 and 70438