What is the Greatest Common Factor of 34815 and 34830?

Greatest common factor (GCF) of 34815 and 34830 is 15.

GCF(34815,34830) = 15

We will now calculate the prime factors of 34815 and 34830, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 34815 and 34830.

How to find the GCF of 34815 and 34830?

We will first find the prime factorization of 34815 and 34830. After we will calculate the factors of 34815 and 34830 and find the biggest common factor number .

Step-1: Prime Factorization of 34815

Prime factors of 34815 are 3, 5, 11, 211. Prime factorization of 34815 in exponential form is:

34815 = 3¹ × 5¹ × 11¹ × 211¹

Step-2: Prime Factorization of 34830

Prime factors of 34830 are 2, 3, 5, 43. Prime factorization of 34830 in exponential form is:

34830 = 2¹ × 3⁴ × 5¹ × 43¹

Step-3: Factors of 34815

List of positive integer factors of 34815 that divides 34815 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 211, 633, 1055, 2321, 3165, 6963, 11605

Step-4: Factors of 34830

List of positive integer factors of 34830 that divides 34815 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 258, 270, 387, 405, 430, 645, 774, 810, 1161, 1290, 1935, 2322, 3483, 3870, 5805, 6966, 11610, 17415

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 34815 and 34830. The biggest common factor number is the GCF number.
So the greatest common factor 34815 and 34830 is 15.

Also check out the Least Common Multiple of 34815 and 34830