What is the Greatest Common Factor of 30987 and 30999?

Greatest common factor (GCF) of 30987 and 30999 is 3.

GCF(30987,30999) = 3

We will now calculate the prime factors of 30987 and 30999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30987 and 30999.

How to find the GCF of 30987 and 30999?

We will first find the prime factorization of 30987 and 30999. After we will calculate the factors of 30987 and 30999 and find the biggest common factor number .

Step-1: Prime Factorization of 30987

Prime factors of 30987 are 3, 11, 313. Prime factorization of 30987 in exponential form is:

30987 = 3² × 11¹ × 313¹

Step-2: Prime Factorization of 30999

Prime factors of 30999 are 3, 10333. Prime factorization of 30999 in exponential form is:

30999 = 3¹ × 10333¹

Step-3: Factors of 30987

List of positive integer factors of 30987 that divides 30987 without a remainder.

1, 3, 9, 11, 33, 99, 313, 939, 2817, 3443, 10329

Step-4: Factors of 30999

List of positive integer factors of 30999 that divides 30987 without a remainder.

1, 3, 10333

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30987 and 30999. The biggest common factor number is the GCF number.
So the greatest common factor 30987 and 30999 is 3.

Also check out the Least Common Multiple of 30987 and 30999