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What is the Greatest Common Factor of 13898 and 13905?

Greatest common factor (GCF) of 13898 and 13905 is 1.

GCF(13898,13905) = 1

We will now calculate the prime factors of 13898 and 13905, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13898 and 13905.

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How to find the GCF of 13898 and 13905?

We will first find the prime factorization of 13898 and 13905. After we will calculate the factors of 13898 and 13905 and find the biggest common factor number .

Step-1: Prime Factorization of 13898

Prime factors of 13898 are 2, 6949. Prime factorization of 13898 in exponential form is:

13898 = 21 × 69491

Step-2: Prime Factorization of 13905

Prime factors of 13905 are 3, 5, 103. Prime factorization of 13905 in exponential form is:

13905 = 33 × 51 × 1031

Step-3: Factors of 13898

List of positive integer factors of 13898 that divides 13898 without a remainder.

1, 2, 6949

Step-4: Factors of 13905

List of positive integer factors of 13905 that divides 13898 without a remainder.

1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13898 and 13905. The biggest common factor number is the GCF number.
So the greatest common factor 13898 and 13905 is 1.

Also check out the Least Common Multiple of 13898 and 13905