What is the Greatest Common Factor of 30945 and 30965?

Greatest common factor (GCF) of 30945 and 30965 is 5.

GCF(30945,30965) = 5

We will now calculate the prime factors of 30945 and 30965, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30945 and 30965.

How to find the GCF of 30945 and 30965?

We will first find the prime factorization of 30945 and 30965. After we will calculate the factors of 30945 and 30965 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 30965

Prime factors of 30965 are 5, 11, 563. Prime factorization of 30965 in exponential form is:

30965 = 5¹ × 11¹ × 563¹

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 30965

List of positive integer factors of 30965 that divides 30945 without a remainder.

1, 5, 11, 55, 563, 2815, 6193

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30945 and 30965. The biggest common factor number is the GCF number.
So the greatest common factor 30945 and 30965 is 5.

Also check out the Least Common Multiple of 30945 and 30965