What is the Greatest Common Factor of 15505 and 15513?

Greatest common factor (GCF) of 15505 and 15513 is 1.

GCF(15505,15513) = 1

We will now calculate the prime factors of 15505 and 15513, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15505 and 15513.

How to find the GCF of 15505 and 15513?

We will first find the prime factorization of 15505 and 15513. After we will calculate the factors of 15505 and 15513 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 15513

Prime factors of 15513 are 3, 5171. Prime factorization of 15513 in exponential form is:

15513 = 3¹ × 5171¹

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 15513

List of positive integer factors of 15513 that divides 15505 without a remainder.

1, 3, 5171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15505 and 15513. The biggest common factor number is the GCF number.
So the greatest common factor 15505 and 15513 is 1.

Also check out the Least Common Multiple of 15505 and 15513