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What is the Greatest Common Factor of 18358 and 18378?

Greatest common factor (GCF) of 18358 and 18378 is 2.

GCF(18358,18378) = 2

We will now calculate the prime factors of 18358 and 18378, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18358 and 18378.

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How to find the GCF of 18358 and 18378?

We will first find the prime factorization of 18358 and 18378. After we will calculate the factors of 18358 and 18378 and find the biggest common factor number .

Step-1: Prime Factorization of 18358

Prime factors of 18358 are 2, 67, 137. Prime factorization of 18358 in exponential form is:

18358 = 21 × 671 × 1371

Step-2: Prime Factorization of 18378

Prime factors of 18378 are 2, 3, 1021. Prime factorization of 18378 in exponential form is:

18378 = 21 × 32 × 10211

Step-3: Factors of 18358

List of positive integer factors of 18358 that divides 18358 without a remainder.

1, 2, 67, 134, 137, 274, 9179

Step-4: Factors of 18378

List of positive integer factors of 18378 that divides 18358 without a remainder.

1, 2, 3, 6, 9, 18, 1021, 2042, 3063, 6126, 9189

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18358 and 18378. The biggest common factor number is the GCF number.
So the greatest common factor 18358 and 18378 is 2.

Also check out the Least Common Multiple of 18358 and 18378