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What is the Greatest Common Factor of 30945 and 30963?

Greatest common factor (GCF) of 30945 and 30963 is 3.

GCF(30945,30963) = 3

We will now calculate the prime factors of 30945 and 30963, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30945 and 30963.

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How to find the GCF of 30945 and 30963?

We will first find the prime factorization of 30945 and 30963. After we will calculate the factors of 30945 and 30963 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 30963

Prime factors of 30963 are 3, 10321. Prime factorization of 30963 in exponential form is:

30963 = 31 × 103211

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 30963

List of positive integer factors of 30963 that divides 30945 without a remainder.

1, 3, 10321

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30945 and 30963. The biggest common factor number is the GCF number.
So the greatest common factor 30945 and 30963 is 3.

Also check out the Least Common Multiple of 30945 and 30963