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What is the Greatest Common Factor of 3880 and 3885?

Greatest common factor (GCF) of 3880 and 3885 is 5.

GCF(3880,3885) = 5

We will now calculate the prime factors of 3880 and 3885, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3880 and 3885.

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How to find the GCF of 3880 and 3885?

We will first find the prime factorization of 3880 and 3885. After we will calculate the factors of 3880 and 3885 and find the biggest common factor number .

Step-1: Prime Factorization of 3880

Prime factors of 3880 are 2, 5, 97. Prime factorization of 3880 in exponential form is:

3880 = 23 × 51 × 971

Step-2: Prime Factorization of 3885

Prime factors of 3885 are 3, 5, 7, 37. Prime factorization of 3885 in exponential form is:

3885 = 31 × 51 × 71 × 371

Step-3: Factors of 3880

List of positive integer factors of 3880 that divides 3880 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940

Step-4: Factors of 3885

List of positive integer factors of 3885 that divides 3880 without a remainder.

1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3880 and 3885. The biggest common factor number is the GCF number.
So the greatest common factor 3880 and 3885 is 5.

Also check out the Least Common Multiple of 3880 and 3885