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What is the Greatest Common Factor of 28618 and 28630?

Greatest common factor (GCF) of 28618 and 28630 is 2.

GCF(28618,28630) = 2

We will now calculate the prime factors of 28618 and 28630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28618 and 28630.

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How to find the GCF of 28618 and 28630?

We will first find the prime factorization of 28618 and 28630. After we will calculate the factors of 28618 and 28630 and find the biggest common factor number .

Step-1: Prime Factorization of 28618

Prime factors of 28618 are 2, 41, 349. Prime factorization of 28618 in exponential form is:

28618 = 21 × 411 × 3491

Step-2: Prime Factorization of 28630

Prime factors of 28630 are 2, 5, 7, 409. Prime factorization of 28630 in exponential form is:

28630 = 21 × 51 × 71 × 4091

Step-3: Factors of 28618

List of positive integer factors of 28618 that divides 28618 without a remainder.

1, 2, 41, 82, 349, 698, 14309

Step-4: Factors of 28630

List of positive integer factors of 28630 that divides 28618 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2863, 4090, 5726, 14315

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28618 and 28630. The biggest common factor number is the GCF number.
So the greatest common factor 28618 and 28630 is 2.

Also check out the Least Common Multiple of 28618 and 28630