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What is the Greatest Common Factor of 1705 and 1718?

Greatest common factor (GCF) of 1705 and 1718 is 1.

GCF(1705,1718) = 1

We will now calculate the prime factors of 1705 and 1718, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1705 and 1718.

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How to find the GCF of 1705 and 1718?

We will first find the prime factorization of 1705 and 1718. After we will calculate the factors of 1705 and 1718 and find the biggest common factor number .

Step-1: Prime Factorization of 1705

Prime factors of 1705 are 5, 11, 31. Prime factorization of 1705 in exponential form is:

1705 = 51 × 111 × 311

Step-2: Prime Factorization of 1718

Prime factors of 1718 are 2, 859. Prime factorization of 1718 in exponential form is:

1718 = 21 × 8591

Step-3: Factors of 1705

List of positive integer factors of 1705 that divides 1705 without a remainder.

1, 5, 11, 31, 55, 155, 341

Step-4: Factors of 1718

List of positive integer factors of 1718 that divides 1705 without a remainder.

1, 2, 859

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1705 and 1718. The biggest common factor number is the GCF number.
So the greatest common factor 1705 and 1718 is 1.

Also check out the Least Common Multiple of 1705 and 1718