What is the Greatest Common Factor of 42129 and 42142?
Greatest common factor (GCF) of 42129 and 42142 is 1.
GCF(42129,42142) = 1
We will now calculate the prime factors of 42129 and 42142, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42129 and 42142.
How to find the GCF of 42129 and 42142?
We will first find the prime factorization of 42129 and 42142. After we will calculate the factors of 42129 and 42142 and find the biggest common factor number .
Step-1: Prime Factorization of 42129
Prime factors of 42129 are 3, 31, 151. Prime factorization of 42129 in exponential form is:
42129 = 32 × 311 × 1511
Step-2: Prime Factorization of 42142
Prime factors of 42142 are 2, 19, 1109. Prime factorization of 42142 in exponential form is:
42142 = 21 × 191 × 11091
Step-3: Factors of 42129
List of positive integer factors of 42129 that divides 42129 without a remainder.
1, 3, 9, 31, 93, 151, 279, 453, 1359, 4681, 14043
Step-4: Factors of 42142
List of positive integer factors of 42142 that divides 42129 without a remainder.
1, 2, 19, 38, 1109, 2218, 21071
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 42129 and 42142. The biggest common factor number is the GCF number.
So the greatest common factor 42129 and 42142 is 1.
Also check out the Least Common Multiple of 42129 and 42142
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