What is the Greatest Common Factor of 55398 and 55406?

Greatest common factor (GCF) of 55398 and 55406 is 2.

GCF(55398,55406) = 2

We will now calculate the prime factors of 55398 and 55406, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55398 and 55406.

How to find the GCF of 55398 and 55406?

We will first find the prime factorization of 55398 and 55406. After we will calculate the factors of 55398 and 55406 and find the biggest common factor number .

Step-1: Prime Factorization of 55398

Prime factors of 55398 are 2, 3, 7, 1319. Prime factorization of 55398 in exponential form is:

55398 = 2¹ × 3¹ × 7¹ × 1319¹

Step-2: Prime Factorization of 55406

Prime factors of 55406 are 2, 13, 2131. Prime factorization of 55406 in exponential form is:

55406 = 2¹ × 13¹ × 2131¹

Step-3: Factors of 55398

List of positive integer factors of 55398 that divides 55398 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 1319, 2638, 3957, 7914, 9233, 18466, 27699

Step-4: Factors of 55406

List of positive integer factors of 55406 that divides 55398 without a remainder.

1, 2, 13, 26, 2131, 4262, 27703

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55398 and 55406. The biggest common factor number is the GCF number.
So the greatest common factor 55398 and 55406 is 2.

Also check out the Least Common Multiple of 55398 and 55406