What is the Greatest Common Factor of 30480 and 30491?

Greatest common factor (GCF) of 30480 and 30491 is 1.

GCF(30480,30491) = 1

We will now calculate the prime factors of 30480 and 30491, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30480 and 30491.

How to find the GCF of 30480 and 30491?

We will first find the prime factorization of 30480 and 30491. After we will calculate the factors of 30480 and 30491 and find the biggest common factor number .

Step-1: Prime Factorization of 30480

Prime factors of 30480 are 2, 3, 5, 127. Prime factorization of 30480 in exponential form is:

30480 = 2⁴ × 3¹ × 5¹ × 127¹

Step-2: Prime Factorization of 30491

Prime factors of 30491 are 30491. Prime factorization of 30491 in exponential form is:

30491 = 30491¹

Step-3: Factors of 30480

List of positive integer factors of 30480 that divides 30480 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240

Step-4: Factors of 30491

List of positive integer factors of 30491 that divides 30480 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30480 and 30491. The biggest common factor number is the GCF number.
So the greatest common factor 30480 and 30491 is 1.

Also check out the Least Common Multiple of 30480 and 30491