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What is the Greatest Common Factor of 74239 and 74243?

Greatest common factor (GCF) of 74239 and 74243 is 1.

GCF(74239,74243) = 1

We will now calculate the prime factors of 74239 and 74243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74239 and 74243.

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How to find the GCF of 74239 and 74243?

We will first find the prime factorization of 74239 and 74243. After we will calculate the factors of 74239 and 74243 and find the biggest common factor number .

Step-1: Prime Factorization of 74239

Prime factors of 74239 are 11, 17, 397. Prime factorization of 74239 in exponential form is:

74239 = 111 × 171 × 3971

Step-2: Prime Factorization of 74243

Prime factors of 74243 are 13, 5711. Prime factorization of 74243 in exponential form is:

74243 = 131 × 57111

Step-3: Factors of 74239

List of positive integer factors of 74239 that divides 74239 without a remainder.

1, 11, 17, 187, 397, 4367, 6749

Step-4: Factors of 74243

List of positive integer factors of 74243 that divides 74239 without a remainder.

1, 13, 5711

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74239 and 74243. The biggest common factor number is the GCF number.
So the greatest common factor 74239 and 74243 is 1.

Also check out the Least Common Multiple of 74239 and 74243