What is the Greatest Common Factor of 18305 and 18318?
Greatest common factor (GCF) of 18305 and 18318 is 1.
GCF(18305,18318) = 1
We will now calculate the prime factors of 18305 and 18318, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18305 and 18318.
How to find the GCF of 18305 and 18318?
We will first find the prime factorization of 18305 and 18318. After we will calculate the factors of 18305 and 18318 and find the biggest common factor number .
Step-1: Prime Factorization of 18305
Prime factors of 18305 are 5, 7, 523. Prime factorization of 18305 in exponential form is:
18305 = 51 × 71 × 5231
Step-2: Prime Factorization of 18318
Prime factors of 18318 are 2, 3, 43, 71. Prime factorization of 18318 in exponential form is:
18318 = 21 × 31 × 431 × 711
Step-3: Factors of 18305
List of positive integer factors of 18305 that divides 18305 without a remainder.
1, 5, 7, 35, 523, 2615, 3661
Step-4: Factors of 18318
List of positive integer factors of 18318 that divides 18305 without a remainder.
1, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 3053, 6106, 9159
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 18305 and 18318. The biggest common factor number is the GCF number.
So the greatest common factor 18305 and 18318 is 1.
Also check out the Least Common Multiple of 18305 and 18318
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