What is the Greatest Common Factor of 15505 and 15512?

Greatest common factor (GCF) of 15505 and 15512 is 7.

GCF(15505,15512) = 7

We will now calculate the prime factors of 15505 and 15512, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15505 and 15512.

How to find the GCF of 15505 and 15512?

We will first find the prime factorization of 15505 and 15512. After we will calculate the factors of 15505 and 15512 and find the biggest common factor number .

Step-1: Prime Factorization of 15505

Prime factors of 15505 are 5, 7, 443. Prime factorization of 15505 in exponential form is:

15505 = 5¹ × 7¹ × 443¹

Step-2: Prime Factorization of 15512

Prime factors of 15512 are 2, 7, 277. Prime factorization of 15512 in exponential form is:

15512 = 2³ × 7¹ × 277¹

Step-3: Factors of 15505

List of positive integer factors of 15505 that divides 15505 without a remainder.

1, 5, 7, 35, 443, 2215, 3101

Step-4: Factors of 15512

List of positive integer factors of 15512 that divides 15505 without a remainder.

1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 7756

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15505 and 15512. The biggest common factor number is the GCF number.
So the greatest common factor 15505 and 15512 is 7.

Also check out the Least Common Multiple of 15505 and 15512