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What is the Greatest Common Factor of 30409 and 30421?

Greatest common factor (GCF) of 30409 and 30421 is 1.

GCF(30409,30421) = 1

We will now calculate the prime factors of 30409 and 30421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30409 and 30421.

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How to find the GCF of 30409 and 30421?

We will first find the prime factorization of 30409 and 30421. After we will calculate the factors of 30409 and 30421 and find the biggest common factor number .

Step-1: Prime Factorization of 30409

Prime factors of 30409 are 47, 647. Prime factorization of 30409 in exponential form is:

30409 = 471 × 6471

Step-2: Prime Factorization of 30421

Prime factors of 30421 are 29, 1049. Prime factorization of 30421 in exponential form is:

30421 = 291 × 10491

Step-3: Factors of 30409

List of positive integer factors of 30409 that divides 30409 without a remainder.

1, 47, 647

Step-4: Factors of 30421

List of positive integer factors of 30421 that divides 30409 without a remainder.

1, 29, 1049

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30409 and 30421. The biggest common factor number is the GCF number.
So the greatest common factor 30409 and 30421 is 1.

Also check out the Least Common Multiple of 30409 and 30421