What is the Greatest Common Factor of 25438 and 25444?

Greatest common factor (GCF) of 25438 and 25444 is 2.

GCF(25438,25444) = 2

We will now calculate the prime factors of 25438 and 25444, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25438 and 25444.

How to find the GCF of 25438 and 25444?

We will first find the prime factorization of 25438 and 25444. After we will calculate the factors of 25438 and 25444 and find the biggest common factor number .

Step-1: Prime Factorization of 25438

Prime factors of 25438 are 2, 7, 23, 79. Prime factorization of 25438 in exponential form is:

25438 = 2¹ × 7¹ × 23¹ × 79¹

Step-2: Prime Factorization of 25444

Prime factors of 25444 are 2, 6361. Prime factorization of 25444 in exponential form is:

25444 = 2² × 6361¹

Step-3: Factors of 25438

List of positive integer factors of 25438 that divides 25438 without a remainder.

1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 1106, 1817, 3634, 12719

Step-4: Factors of 25444

List of positive integer factors of 25444 that divides 25438 without a remainder.

1, 2, 4, 6361, 12722

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25438 and 25444. The biggest common factor number is the GCF number.
So the greatest common factor 25438 and 25444 is 2.

Also check out the Least Common Multiple of 25438 and 25444