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What is the Greatest Common Factor of 61397 and 61409?

Greatest common factor (GCF) of 61397 and 61409 is 1.

GCF(61397,61409) = 1

We will now calculate the prime factors of 61397 and 61409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61397 and 61409.

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How to find the GCF of 61397 and 61409?

We will first find the prime factorization of 61397 and 61409. After we will calculate the factors of 61397 and 61409 and find the biggest common factor number .

Step-1: Prime Factorization of 61397

Prime factors of 61397 are 7, 179. Prime factorization of 61397 in exponential form is:

61397 = 73 × 1791

Step-2: Prime Factorization of 61409

Prime factors of 61409 are 61409. Prime factorization of 61409 in exponential form is:

61409 = 614091

Step-3: Factors of 61397

List of positive integer factors of 61397 that divides 61397 without a remainder.

1, 7, 49, 179, 343, 1253, 8771

Step-4: Factors of 61409

List of positive integer factors of 61409 that divides 61397 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61397 and 61409. The biggest common factor number is the GCF number.
So the greatest common factor 61397 and 61409 is 1.

Also check out the Least Common Multiple of 61397 and 61409