What is the Greatest Common Factor of 68720 and 68738?
Greatest common factor (GCF) of 68720 and 68738 is 2.
GCF(68720,68738) = 2
We will now calculate the prime factors of 68720 and 68738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68720 and 68738.
How to find the GCF of 68720 and 68738?
We will first find the prime factorization of 68720 and 68738. After we will calculate the factors of 68720 and 68738 and find the biggest common factor number .
Step-1: Prime Factorization of 68720
Prime factors of 68720 are 2, 5, 859. Prime factorization of 68720 in exponential form is:
68720 = 24 × 51 × 8591
Step-2: Prime Factorization of 68738
Prime factors of 68738 are 2, 34369. Prime factorization of 68738 in exponential form is:
68738 = 21 × 343691
Step-3: Factors of 68720
List of positive integer factors of 68720 that divides 68720 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 3436, 4295, 6872, 8590, 13744, 17180, 34360
Step-4: Factors of 68738
List of positive integer factors of 68738 that divides 68720 without a remainder.
1, 2, 34369
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 68720 and 68738. The biggest common factor number is the GCF number.
So the greatest common factor 68720 and 68738 is 2.
Also check out the Least Common Multiple of 68720 and 68738
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