What is the Greatest Common Factor of 40945 and 40955?

Greatest common factor (GCF) of 40945 and 40955 is 5.

GCF(40945,40955) = 5

We will now calculate the prime factors of 40945 and 40955, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40945 and 40955.

How to find the GCF of 40945 and 40955?

We will first find the prime factorization of 40945 and 40955. After we will calculate the factors of 40945 and 40955 and find the biggest common factor number .

Step-1: Prime Factorization of 40945

Prime factors of 40945 are 5, 19, 431. Prime factorization of 40945 in exponential form is:

40945 = 5¹ × 19¹ × 431¹

Step-2: Prime Factorization of 40955

Prime factors of 40955 are 5, 8191. Prime factorization of 40955 in exponential form is:

40955 = 5¹ × 8191¹

Step-3: Factors of 40945

List of positive integer factors of 40945 that divides 40945 without a remainder.

1, 5, 19, 95, 431, 2155, 8189

Step-4: Factors of 40955

List of positive integer factors of 40955 that divides 40945 without a remainder.

1, 5, 8191

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40945 and 40955. The biggest common factor number is the GCF number.
So the greatest common factor 40945 and 40955 is 5.

Also check out the Least Common Multiple of 40945 and 40955