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What is the Greatest Common Factor of 21229 and 21245?

Greatest common factor (GCF) of 21229 and 21245 is 1.

GCF(21229,21245) = 1

We will now calculate the prime factors of 21229 and 21245, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21229 and 21245.

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How to find the GCF of 21229 and 21245?

We will first find the prime factorization of 21229 and 21245. After we will calculate the factors of 21229 and 21245 and find the biggest common factor number .

Step-1: Prime Factorization of 21229

Prime factors of 21229 are 13, 23, 71. Prime factorization of 21229 in exponential form is:

21229 = 131 × 231 × 711

Step-2: Prime Factorization of 21245

Prime factors of 21245 are 5, 7, 607. Prime factorization of 21245 in exponential form is:

21245 = 51 × 71 × 6071

Step-3: Factors of 21229

List of positive integer factors of 21229 that divides 21229 without a remainder.

1, 13, 23, 71, 299, 923, 1633

Step-4: Factors of 21245

List of positive integer factors of 21245 that divides 21229 without a remainder.

1, 5, 7, 35, 607, 3035, 4249

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21229 and 21245. The biggest common factor number is the GCF number.
So the greatest common factor 21229 and 21245 is 1.

Also check out the Least Common Multiple of 21229 and 21245