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What is the Greatest Common Factor of 40378 and 40385?

Greatest common factor (GCF) of 40378 and 40385 is 1.

GCF(40378,40385) = 1

We will now calculate the prime factors of 40378 and 40385, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40378 and 40385.

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How to find the GCF of 40378 and 40385?

We will first find the prime factorization of 40378 and 40385. After we will calculate the factors of 40378 and 40385 and find the biggest common factor number .

Step-1: Prime Factorization of 40378

Prime factors of 40378 are 2, 13, 1553. Prime factorization of 40378 in exponential form is:

40378 = 21 × 131 × 15531

Step-2: Prime Factorization of 40385

Prime factors of 40385 are 5, 41, 197. Prime factorization of 40385 in exponential form is:

40385 = 51 × 411 × 1971

Step-3: Factors of 40378

List of positive integer factors of 40378 that divides 40378 without a remainder.

1, 2, 13, 26, 1553, 3106, 20189

Step-4: Factors of 40385

List of positive integer factors of 40385 that divides 40378 without a remainder.

1, 5, 41, 197, 205, 985, 8077

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40378 and 40385. The biggest common factor number is the GCF number.
So the greatest common factor 40378 and 40385 is 1.

Also check out the Least Common Multiple of 40378 and 40385