What is the Greatest Common Factor of 68991 and 69009?

Greatest common factor (GCF) of 68991 and 69009 is 3.

GCF(68991,69009) = 3

We will now calculate the prime factors of 68991 and 69009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68991 and 69009.

How to find the GCF of 68991 and 69009?

We will first find the prime factorization of 68991 and 69009. After we will calculate the factors of 68991 and 69009 and find the biggest common factor number .

Step-1: Prime Factorization of 68991

Prime factors of 68991 are 3, 13, 29, 61. Prime factorization of 68991 in exponential form is:

68991 = 3¹ × 13¹ × 29¹ × 61¹

Step-2: Prime Factorization of 69009

Prime factors of 69009 are 3, 23003. Prime factorization of 69009 in exponential form is:

69009 = 3¹ × 23003¹

Step-3: Factors of 68991

List of positive integer factors of 68991 that divides 68991 without a remainder.

1, 3, 13, 29, 39, 61, 87, 183, 377, 793, 1131, 1769, 2379, 5307, 22997

Step-4: Factors of 69009

List of positive integer factors of 69009 that divides 68991 without a remainder.

1, 3, 23003

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68991 and 69009. The biggest common factor number is the GCF number.
So the greatest common factor 68991 and 69009 is 3.

Also check out the Least Common Multiple of 68991 and 69009