What is the Greatest Common Factor of 30945 and 30954?

Greatest common factor (GCF) of 30945 and 30954 is 3.

GCF(30945,30954) = 3

We will now calculate the prime factors of 30945 and 30954, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30945 and 30954.

How to find the GCF of 30945 and 30954?

We will first find the prime factorization of 30945 and 30954. After we will calculate the factors of 30945 and 30954 and find the biggest common factor number .

Step-1: Prime Factorization of 30945

Prime factors of 30945 are 3, 5, 2063. Prime factorization of 30945 in exponential form is:

30945 = 3¹ × 5¹ × 2063¹

Step-2: Prime Factorization of 30954

Prime factors of 30954 are 2, 3, 7, 11, 67. Prime factorization of 30954 in exponential form is:

30954 = 2¹ × 3¹ × 7¹ × 11¹ × 67¹

Step-3: Factors of 30945

List of positive integer factors of 30945 that divides 30945 without a remainder.

1, 3, 5, 15, 2063, 6189, 10315

Step-4: Factors of 30954

List of positive integer factors of 30954 that divides 30945 without a remainder.

1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 67, 77, 134, 154, 201, 231, 402, 462, 469, 737, 938, 1407, 1474, 2211, 2814, 4422, 5159, 10318, 15477

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30945 and 30954. The biggest common factor number is the GCF number.
So the greatest common factor 30945 and 30954 is 3.

Also check out the Least Common Multiple of 30945 and 30954