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What is the Greatest Common Factor of 66370 and 66385?

Greatest common factor (GCF) of 66370 and 66385 is 5.

GCF(66370,66385) = 5

We will now calculate the prime factors of 66370 and 66385, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66370 and 66385.

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How to find the GCF of 66370 and 66385?

We will first find the prime factorization of 66370 and 66385. After we will calculate the factors of 66370 and 66385 and find the biggest common factor number .

Step-1: Prime Factorization of 66370

Prime factors of 66370 are 2, 5, 6637. Prime factorization of 66370 in exponential form is:

66370 = 21 × 51 × 66371

Step-2: Prime Factorization of 66385

Prime factors of 66385 are 5, 11, 17, 71. Prime factorization of 66385 in exponential form is:

66385 = 51 × 111 × 171 × 711

Step-3: Factors of 66370

List of positive integer factors of 66370 that divides 66370 without a remainder.

1, 2, 5, 10, 6637, 13274, 33185

Step-4: Factors of 66385

List of positive integer factors of 66385 that divides 66370 without a remainder.

1, 5, 11, 17, 55, 71, 85, 187, 355, 781, 935, 1207, 3905, 6035, 13277

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66370 and 66385. The biggest common factor number is the GCF number.
So the greatest common factor 66370 and 66385 is 5.

Also check out the Least Common Multiple of 66370 and 66385