What is the Greatest Common Factor of 41985 and 41991?

Greatest common factor (GCF) of 41985 and 41991 is 3.

GCF(41985,41991) = 3

We will now calculate the prime factors of 41985 and 41991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 41985 and 41991.

How to find the GCF of 41985 and 41991?

We will first find the prime factorization of 41985 and 41991. After we will calculate the factors of 41985 and 41991 and find the biggest common factor number .

Step-1: Prime Factorization of 41985

Prime factors of 41985 are 3, 5, 311. Prime factorization of 41985 in exponential form is:

41985 = 3³ × 5¹ × 311¹

Step-2: Prime Factorization of 41991

Prime factors of 41991 are 3, 13997. Prime factorization of 41991 in exponential form is:

41991 = 3¹ × 13997¹

Step-3: Factors of 41985

List of positive integer factors of 41985 that divides 41985 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 311, 933, 1555, 2799, 4665, 8397, 13995

Step-4: Factors of 41991

List of positive integer factors of 41991 that divides 41985 without a remainder.

1, 3, 13997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 41985 and 41991. The biggest common factor number is the GCF number.
So the greatest common factor 41985 and 41991 is 3.

Also check out the Least Common Multiple of 41985 and 41991