GCF and LCM Calculator Logo

What is the Greatest Common Factor of 43438 and 43455?

Greatest common factor (GCF) of 43438 and 43455 is 1.

GCF(43438,43455) = 1

We will now calculate the prime factors of 43438 and 43455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43438 and 43455.

GCF Calculator and
and

How to find the GCF of 43438 and 43455?

We will first find the prime factorization of 43438 and 43455. After we will calculate the factors of 43438 and 43455 and find the biggest common factor number .

Step-1: Prime Factorization of 43438

Prime factors of 43438 are 2, 37, 587. Prime factorization of 43438 in exponential form is:

43438 = 21 × 371 × 5871

Step-2: Prime Factorization of 43455

Prime factors of 43455 are 3, 5, 2897. Prime factorization of 43455 in exponential form is:

43455 = 31 × 51 × 28971

Step-3: Factors of 43438

List of positive integer factors of 43438 that divides 43438 without a remainder.

1, 2, 37, 74, 587, 1174, 21719

Step-4: Factors of 43455

List of positive integer factors of 43455 that divides 43438 without a remainder.

1, 3, 5, 15, 2897, 8691, 14485

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43438 and 43455. The biggest common factor number is the GCF number.
So the greatest common factor 43438 and 43455 is 1.

Also check out the Least Common Multiple of 43438 and 43455