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What is the Greatest Common Factor of 76840 and 76845?

Greatest common factor (GCF) of 76840 and 76845 is 5.

GCF(76840,76845) = 5

We will now calculate the prime factors of 76840 and 76845, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 76840 and 76845.

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How to find the GCF of 76840 and 76845?

We will first find the prime factorization of 76840 and 76845. After we will calculate the factors of 76840 and 76845 and find the biggest common factor number .

Step-1: Prime Factorization of 76840

Prime factors of 76840 are 2, 5, 17, 113. Prime factorization of 76840 in exponential form is:

76840 = 23 × 51 × 171 × 1131

Step-2: Prime Factorization of 76845

Prime factors of 76845 are 3, 5, 47, 109. Prime factorization of 76845 in exponential form is:

76845 = 31 × 51 × 471 × 1091

Step-3: Factors of 76840

List of positive integer factors of 76840 that divides 76840 without a remainder.

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 340, 452, 565, 680, 904, 1130, 1921, 2260, 3842, 4520, 7684, 9605, 15368, 19210, 38420

Step-4: Factors of 76845

List of positive integer factors of 76845 that divides 76840 without a remainder.

1, 3, 5, 15, 47, 109, 141, 235, 327, 545, 705, 1635, 5123, 15369, 25615

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 76840 and 76845. The biggest common factor number is the GCF number.
So the greatest common factor 76840 and 76845 is 5.

Also check out the Least Common Multiple of 76840 and 76845