What is the Greatest Common Factor of 66945 and 66958?

Greatest common factor (GCF) of 66945 and 66958 is 1.

GCF(66945,66958) = 1

We will now calculate the prime factors of 66945 and 66958, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66945 and 66958.

How to find the GCF of 66945 and 66958?

We will first find the prime factorization of 66945 and 66958. After we will calculate the factors of 66945 and 66958 and find the biggest common factor number .

Step-1: Prime Factorization of 66945

Prime factors of 66945 are 3, 5, 4463. Prime factorization of 66945 in exponential form is:

66945 = 3¹ × 5¹ × 4463¹

Step-2: Prime Factorization of 66958

Prime factors of 66958 are 2, 33479. Prime factorization of 66958 in exponential form is:

66958 = 2¹ × 33479¹

Step-3: Factors of 66945

List of positive integer factors of 66945 that divides 66945 without a remainder.

1, 3, 5, 15, 4463, 13389, 22315

Step-4: Factors of 66958

List of positive integer factors of 66958 that divides 66945 without a remainder.

1, 2, 33479

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66945 and 66958. The biggest common factor number is the GCF number.
So the greatest common factor 66945 and 66958 is 1.

Also check out the Least Common Multiple of 66945 and 66958