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What is the Greatest Common Factor of 28415 and 28435?

Greatest common factor (GCF) of 28415 and 28435 is 5.

GCF(28415,28435) = 5

We will now calculate the prime factors of 28415 and 28435, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28415 and 28435.

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How to find the GCF of 28415 and 28435?

We will first find the prime factorization of 28415 and 28435. After we will calculate the factors of 28415 and 28435 and find the biggest common factor number .

Step-1: Prime Factorization of 28415

Prime factors of 28415 are 5, 5683. Prime factorization of 28415 in exponential form is:

28415 = 51 × 56831

Step-2: Prime Factorization of 28435

Prime factors of 28435 are 5, 11, 47. Prime factorization of 28435 in exponential form is:

28435 = 51 × 112 × 471

Step-3: Factors of 28415

List of positive integer factors of 28415 that divides 28415 without a remainder.

1, 5, 5683

Step-4: Factors of 28435

List of positive integer factors of 28435 that divides 28415 without a remainder.

1, 5, 11, 47, 55, 121, 235, 517, 605, 2585, 5687

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28415 and 28435. The biggest common factor number is the GCF number.
So the greatest common factor 28415 and 28435 is 5.

Also check out the Least Common Multiple of 28415 and 28435