What is the Greatest Common Factor of 67780 and 67792?
Greatest common factor (GCF) of 67780 and 67792 is 4.
GCF(67780,67792) = 4
We will now calculate the prime factors of 67780 and 67792, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67780 and 67792.
How to find the GCF of 67780 and 67792?
We will first find the prime factorization of 67780 and 67792. After we will calculate the factors of 67780 and 67792 and find the biggest common factor number .
Step-1: Prime Factorization of 67780
Prime factors of 67780 are 2, 5, 3389. Prime factorization of 67780 in exponential form is:
67780 = 22 × 51 × 33891
Step-2: Prime Factorization of 67792
Prime factors of 67792 are 2, 19, 223. Prime factorization of 67792 in exponential form is:
67792 = 24 × 191 × 2231
Step-3: Factors of 67780
List of positive integer factors of 67780 that divides 67780 without a remainder.
1, 2, 4, 5, 10, 20, 3389, 6778, 13556, 16945, 33890
Step-4: Factors of 67792
List of positive integer factors of 67792 that divides 67780 without a remainder.
1, 2, 4, 8, 16, 19, 38, 76, 152, 223, 304, 446, 892, 1784, 3568, 4237, 8474, 16948, 33896
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 67780 and 67792. The biggest common factor number is the GCF number.
So the greatest common factor 67780 and 67792 is 4.
Also check out the Least Common Multiple of 67780 and 67792
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