What is the Greatest Common Factor of 45431 and 45438?

Greatest common factor (GCF) of 45431 and 45438 is 1.

GCF(45431,45438) = 1

We will now calculate the prime factors of 45431 and 45438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45431 and 45438.

How to find the GCF of 45431 and 45438?

We will first find the prime factorization of 45431 and 45438. After we will calculate the factors of 45431 and 45438 and find the biggest common factor number .

Step-1: Prime Factorization of 45431

Prime factors of 45431 are 181, 251. Prime factorization of 45431 in exponential form is:

45431 = 181¹ × 251¹

Step-2: Prime Factorization of 45438

Prime factors of 45438 are 2, 3, 7573. Prime factorization of 45438 in exponential form is:

45438 = 2¹ × 3¹ × 7573¹

Step-3: Factors of 45431

List of positive integer factors of 45431 that divides 45431 without a remainder.

1, 181, 251

Step-4: Factors of 45438

List of positive integer factors of 45438 that divides 45431 without a remainder.

1, 2, 3, 6, 7573, 15146, 22719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45431 and 45438. The biggest common factor number is the GCF number.
So the greatest common factor 45431 and 45438 is 1.

Also check out the Least Common Multiple of 45431 and 45438