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What is the Greatest Common Factor of 18278 and 18289?

Greatest common factor (GCF) of 18278 and 18289 is 1.

GCF(18278,18289) = 1

We will now calculate the prime factors of 18278 and 18289, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18278 and 18289.

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How to find the GCF of 18278 and 18289?

We will first find the prime factorization of 18278 and 18289. After we will calculate the factors of 18278 and 18289 and find the biggest common factor number .

Step-1: Prime Factorization of 18278

Prime factors of 18278 are 2, 13, 19, 37. Prime factorization of 18278 in exponential form is:

18278 = 21 × 131 × 191 × 371

Step-2: Prime Factorization of 18289

Prime factors of 18289 are 18289. Prime factorization of 18289 in exponential form is:

18289 = 182891

Step-3: Factors of 18278

List of positive integer factors of 18278 that divides 18278 without a remainder.

1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1406, 9139

Step-4: Factors of 18289

List of positive integer factors of 18289 that divides 18278 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18278 and 18289. The biggest common factor number is the GCF number.
So the greatest common factor 18278 and 18289 is 1.

Also check out the Least Common Multiple of 18278 and 18289