What is the Greatest Common Factor of 81885 and 81898?
Greatest common factor (GCF) of 81885 and 81898 is 1.
GCF(81885,81898) = 1
We will now calculate the prime factors of 81885 and 81898, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81885 and 81898.
How to find the GCF of 81885 and 81898?
We will first find the prime factorization of 81885 and 81898. After we will calculate the factors of 81885 and 81898 and find the biggest common factor number .
Step-1: Prime Factorization of 81885
Prime factors of 81885 are 3, 5, 53, 103. Prime factorization of 81885 in exponential form is:
81885 = 31 × 51 × 531 × 1031
Step-2: Prime Factorization of 81898
Prime factors of 81898 are 2, 40949. Prime factorization of 81898 in exponential form is:
81898 = 21 × 409491
Step-3: Factors of 81885
List of positive integer factors of 81885 that divides 81885 without a remainder.
1, 3, 5, 15, 53, 103, 159, 265, 309, 515, 795, 1545, 5459, 16377, 27295
Step-4: Factors of 81898
List of positive integer factors of 81898 that divides 81885 without a remainder.
1, 2, 40949
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 81885 and 81898. The biggest common factor number is the GCF number.
So the greatest common factor 81885 and 81898 is 1.
Also check out the Least Common Multiple of 81885 and 81898
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