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What is the Greatest Common Factor of 28905 and 28924?

Greatest common factor (GCF) of 28905 and 28924 is 1.

GCF(28905,28924) = 1

We will now calculate the prime factors of 28905 and 28924, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28905 and 28924.

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How to find the GCF of 28905 and 28924?

We will first find the prime factorization of 28905 and 28924. After we will calculate the factors of 28905 and 28924 and find the biggest common factor number .

Step-1: Prime Factorization of 28905

Prime factors of 28905 are 3, 5, 41, 47. Prime factorization of 28905 in exponential form is:

28905 = 31 × 51 × 411 × 471

Step-2: Prime Factorization of 28924

Prime factors of 28924 are 2, 7, 1033. Prime factorization of 28924 in exponential form is:

28924 = 22 × 71 × 10331

Step-3: Factors of 28905

List of positive integer factors of 28905 that divides 28905 without a remainder.

1, 3, 5, 15, 41, 47, 123, 141, 205, 235, 615, 705, 1927, 5781, 9635

Step-4: Factors of 28924

List of positive integer factors of 28924 that divides 28905 without a remainder.

1, 2, 4, 7, 14, 28, 1033, 2066, 4132, 7231, 14462

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28905 and 28924. The biggest common factor number is the GCF number.
So the greatest common factor 28905 and 28924 is 1.

Also check out the Least Common Multiple of 28905 and 28924