What is the Greatest Common Factor of 20138 and 20151?
Greatest common factor (GCF) of 20138 and 20151 is 1.
GCF(20138,20151) = 1
We will now calculate the prime factors of 20138 and 20151, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20138 and 20151.
How to find the GCF of 20138 and 20151?
We will first find the prime factorization of 20138 and 20151. After we will calculate the factors of 20138 and 20151 and find the biggest common factor number .
Step-1: Prime Factorization of 20138
Prime factors of 20138 are 2, 10069. Prime factorization of 20138 in exponential form is:
20138 = 21 × 100691
Step-2: Prime Factorization of 20151
Prime factors of 20151 are 3, 2239. Prime factorization of 20151 in exponential form is:
20151 = 32 × 22391
Step-3: Factors of 20138
List of positive integer factors of 20138 that divides 20138 without a remainder.
1, 2, 10069
Step-4: Factors of 20151
List of positive integer factors of 20151 that divides 20138 without a remainder.
1, 3, 9, 2239, 6717
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 20138 and 20151. The biggest common factor number is the GCF number.
So the greatest common factor 20138 and 20151 is 1.
Also check out the Least Common Multiple of 20138 and 20151
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