What is the Greatest Common Factor of 71438 and 71458?

Greatest common factor (GCF) of 71438 and 71458 is 2.

GCF(71438,71458) = 2

We will now calculate the prime factors of 71438 and 71458, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71438 and 71458.

How to find the GCF of 71438 and 71458?

We will first find the prime factorization of 71438 and 71458. After we will calculate the factors of 71438 and 71458 and find the biggest common factor number .

Step-1: Prime Factorization of 71438

Prime factors of 71438 are 2, 23, 1553. Prime factorization of 71438 in exponential form is:

71438 = 2¹ × 23¹ × 1553¹

Step-2: Prime Factorization of 71458

Prime factors of 71458 are 2, 35729. Prime factorization of 71458 in exponential form is:

71458 = 2¹ × 35729¹

Step-3: Factors of 71438

List of positive integer factors of 71438 that divides 71438 without a remainder.

1, 2, 23, 46, 1553, 3106, 35719

Step-4: Factors of 71458

List of positive integer factors of 71458 that divides 71438 without a remainder.

1, 2, 35729

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71438 and 71458. The biggest common factor number is the GCF number.
So the greatest common factor 71438 and 71458 is 2.

Also check out the Least Common Multiple of 71438 and 71458