What is the Greatest Common Factor of 61989 and 62005?

Greatest common factor (GCF) of 61989 and 62005 is 1.

GCF(61989,62005) = 1

We will now calculate the prime factors of 61989 and 62005, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61989 and 62005.

How to find the GCF of 61989 and 62005?

We will first find the prime factorization of 61989 and 62005. After we will calculate the factors of 61989 and 62005 and find the biggest common factor number .

Step-1: Prime Factorization of 61989

Prime factors of 61989 are 3, 20663. Prime factorization of 61989 in exponential form is:

61989 = 3¹ × 20663¹

Step-2: Prime Factorization of 62005

Prime factors of 62005 are 5, 12401. Prime factorization of 62005 in exponential form is:

62005 = 5¹ × 12401¹

Step-3: Factors of 61989

List of positive integer factors of 61989 that divides 61989 without a remainder.

1, 3, 20663

Step-4: Factors of 62005

List of positive integer factors of 62005 that divides 61989 without a remainder.

1, 5, 12401

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61989 and 62005. The biggest common factor number is the GCF number.
So the greatest common factor 61989 and 62005 is 1.

Also check out the Least Common Multiple of 61989 and 62005