GCF and LCM Calculator Logo

What is the Greatest Common Factor of 43981 and 43985?

Greatest common factor (GCF) of 43981 and 43985 is 1.

GCF(43981,43985) = 1

We will now calculate the prime factors of 43981 and 43985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43981 and 43985.

GCF Calculator and
and

How to find the GCF of 43981 and 43985?

We will first find the prime factorization of 43981 and 43985. After we will calculate the factors of 43981 and 43985 and find the biggest common factor number .

Step-1: Prime Factorization of 43981

Prime factors of 43981 are 7, 61, 103. Prime factorization of 43981 in exponential form is:

43981 = 71 × 611 × 1031

Step-2: Prime Factorization of 43985

Prime factors of 43985 are 5, 19, 463. Prime factorization of 43985 in exponential form is:

43985 = 51 × 191 × 4631

Step-3: Factors of 43981

List of positive integer factors of 43981 that divides 43981 without a remainder.

1, 7, 61, 103, 427, 721, 6283

Step-4: Factors of 43985

List of positive integer factors of 43985 that divides 43981 without a remainder.

1, 5, 19, 95, 463, 2315, 8797

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43981 and 43985. The biggest common factor number is the GCF number.
So the greatest common factor 43981 and 43985 is 1.

Also check out the Least Common Multiple of 43981 and 43985