What is the Greatest Common Factor of 45981 and 45985?

Greatest common factor (GCF) of 45981 and 45985 is 1.

GCF(45981,45985) = 1

We will now calculate the prime factors of 45981 and 45985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45981 and 45985.

How to find the GCF of 45981 and 45985?

We will first find the prime factorization of 45981 and 45985. After we will calculate the factors of 45981 and 45985 and find the biggest common factor number .

Step-1: Prime Factorization of 45981

Prime factors of 45981 are 3, 13, 131. Prime factorization of 45981 in exponential form is:

45981 = 3³ × 13¹ × 131¹

Step-2: Prime Factorization of 45985

Prime factors of 45985 are 5, 17, 541. Prime factorization of 45985 in exponential form is:

45985 = 5¹ × 17¹ × 541¹

Step-3: Factors of 45981

List of positive integer factors of 45981 that divides 45981 without a remainder.

1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 3537, 5109, 15327

Step-4: Factors of 45985

List of positive integer factors of 45985 that divides 45981 without a remainder.

1, 5, 17, 85, 541, 2705, 9197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45981 and 45985. The biggest common factor number is the GCF number.
So the greatest common factor 45981 and 45985 is 1.

Also check out the Least Common Multiple of 45981 and 45985