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What is the Greatest Common Factor of 74858 and 74865?

Greatest common factor (GCF) of 74858 and 74865 is 7.

GCF(74858,74865) = 7

We will now calculate the prime factors of 74858 and 74865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74858 and 74865.

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How to find the GCF of 74858 and 74865?

We will first find the prime factorization of 74858 and 74865. After we will calculate the factors of 74858 and 74865 and find the biggest common factor number .

Step-1: Prime Factorization of 74858

Prime factors of 74858 are 2, 7, 5347. Prime factorization of 74858 in exponential form is:

74858 = 21 × 71 × 53471

Step-2: Prime Factorization of 74865

Prime factors of 74865 are 3, 5, 7, 23, 31. Prime factorization of 74865 in exponential form is:

74865 = 31 × 51 × 71 × 231 × 311

Step-3: Factors of 74858

List of positive integer factors of 74858 that divides 74858 without a remainder.

1, 2, 7, 14, 5347, 10694, 37429

Step-4: Factors of 74865

List of positive integer factors of 74865 that divides 74858 without a remainder.

1, 3, 5, 7, 15, 21, 23, 31, 35, 69, 93, 105, 115, 155, 161, 217, 345, 465, 483, 651, 713, 805, 1085, 2139, 2415, 3255, 3565, 4991, 10695, 14973, 24955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74858 and 74865. The biggest common factor number is the GCF number.
So the greatest common factor 74858 and 74865 is 7.

Also check out the Least Common Multiple of 74858 and 74865