What is the Greatest Common Factor of 40985 and 40991?

Greatest common factor (GCF) of 40985 and 40991 is 1.

GCF(40985,40991) = 1

We will now calculate the prime factors of 40985 and 40991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40985 and 40991.

How to find the GCF of 40985 and 40991?

We will first find the prime factorization of 40985 and 40991. After we will calculate the factors of 40985 and 40991 and find the biggest common factor number .

Step-1: Prime Factorization of 40985

Prime factors of 40985 are 5, 7, 1171. Prime factorization of 40985 in exponential form is:

40985 = 5¹ × 7¹ × 1171¹

Step-2: Prime Factorization of 40991

Prime factors of 40991 are 179, 229. Prime factorization of 40991 in exponential form is:

40991 = 179¹ × 229¹

Step-3: Factors of 40985

List of positive integer factors of 40985 that divides 40985 without a remainder.

1, 5, 7, 35, 1171, 5855, 8197

Step-4: Factors of 40991

List of positive integer factors of 40991 that divides 40985 without a remainder.

1, 179, 229

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40985 and 40991. The biggest common factor number is the GCF number.
So the greatest common factor 40985 and 40991 is 1.

Also check out the Least Common Multiple of 40985 and 40991