What is the Greatest Common Factor of 30705 and 30718?

Greatest common factor (GCF) of 30705 and 30718 is 1.

GCF(30705,30718) = 1

We will now calculate the prime factors of 30705 and 30718, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30705 and 30718.

How to find the GCF of 30705 and 30718?

We will first find the prime factorization of 30705 and 30718. After we will calculate the factors of 30705 and 30718 and find the biggest common factor number .

Step-1: Prime Factorization of 30705

Prime factors of 30705 are 3, 5, 23, 89. Prime factorization of 30705 in exponential form is:

30705 = 3¹ × 5¹ × 23¹ × 89¹

Step-2: Prime Factorization of 30718

Prime factors of 30718 are 2, 15359. Prime factorization of 30718 in exponential form is:

30718 = 2¹ × 15359¹

Step-3: Factors of 30705

List of positive integer factors of 30705 that divides 30705 without a remainder.

1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 1335, 2047, 6141, 10235

Step-4: Factors of 30718

List of positive integer factors of 30718 that divides 30705 without a remainder.

1, 2, 15359

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30705 and 30718. The biggest common factor number is the GCF number.
So the greatest common factor 30705 and 30718 is 1.

Also check out the Least Common Multiple of 30705 and 30718