What is the Greatest Common Factor of 70438 and 70458?

Greatest common factor (GCF) of 70438 and 70458 is 2.

GCF(70438,70458) = 2

We will now calculate the prime factors of 70438 and 70458, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70438 and 70458.

How to find the GCF of 70438 and 70458?

We will first find the prime factorization of 70438 and 70458. After we will calculate the factors of 70438 and 70458 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 70458

Prime factors of 70458 are 2, 3, 11743. Prime factorization of 70458 in exponential form is:

70458 = 2¹ × 3¹ × 11743¹

Step-3: Factors of 70438

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

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

Step-4: Factors of 70458

List of positive integer factors of 70458 that divides 70438 without a remainder.

1, 2, 3, 6, 11743, 23486, 35229

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70438 and 70458. The biggest common factor number is the GCF number.
So the greatest common factor 70438 and 70458 is 2.

Also check out the Least Common Multiple of 70438 and 70458