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What is the Greatest Common Factor of 74243 and 74257?

Greatest common factor (GCF) of 74243 and 74257 is 1.

GCF(74243,74257) = 1

We will now calculate the prime factors of 74243 and 74257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74243 and 74257.

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How to find the GCF of 74243 and 74257?

We will first find the prime factorization of 74243 and 74257. After we will calculate the factors of 74243 and 74257 and find the biggest common factor number .

Step-1: Prime Factorization of 74243

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

74243 = 131 × 57111

Step-2: Prime Factorization of 74257

Prime factors of 74257 are 74257. Prime factorization of 74257 in exponential form is:

74257 = 742571

Step-3: Factors of 74243

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

1, 13, 5711

Step-4: Factors of 74257

List of positive integer factors of 74257 that divides 74243 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74243 and 74257. The biggest common factor number is the GCF number.
So the greatest common factor 74243 and 74257 is 1.

Also check out the Least Common Multiple of 74243 and 74257