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What is the Greatest Common Factor of 21265 and 21269?

Greatest common factor (GCF) of 21265 and 21269 is 1.

GCF(21265,21269) = 1

We will now calculate the prime factors of 21265 and 21269, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21265 and 21269.

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How to find the GCF of 21265 and 21269?

We will first find the prime factorization of 21265 and 21269. After we will calculate the factors of 21265 and 21269 and find the biggest common factor number .

Step-1: Prime Factorization of 21265

Prime factors of 21265 are 5, 4253. Prime factorization of 21265 in exponential form is:

21265 = 51 × 42531

Step-2: Prime Factorization of 21269

Prime factors of 21269 are 21269. Prime factorization of 21269 in exponential form is:

21269 = 212691

Step-3: Factors of 21265

List of positive integer factors of 21265 that divides 21265 without a remainder.

1, 5, 4253

Step-4: Factors of 21269

List of positive integer factors of 21269 that divides 21265 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21265 and 21269. The biggest common factor number is the GCF number.
So the greatest common factor 21265 and 21269 is 1.

Also check out the Least Common Multiple of 21265 and 21269