GCF and LCM Calculator Logo

What is the Greatest Common Factor of 15504 and 15515?

Greatest common factor (GCF) of 15504 and 15515 is 1.

GCF(15504,15515) = 1

We will now calculate the prime factors of 15504 and 15515, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15504 and 15515.

GCF Calculator and
and

How to find the GCF of 15504 and 15515?

We will first find the prime factorization of 15504 and 15515. After we will calculate the factors of 15504 and 15515 and find the biggest common factor number .

Step-1: Prime Factorization of 15504

Prime factors of 15504 are 2, 3, 17, 19. Prime factorization of 15504 in exponential form is:

15504 = 24 × 31 × 171 × 191

Step-2: Prime Factorization of 15515

Prime factors of 15515 are 5, 29, 107. Prime factorization of 15515 in exponential form is:

15515 = 51 × 291 × 1071

Step-3: Factors of 15504

List of positive integer factors of 15504 that divides 15504 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 272, 304, 323, 408, 456, 646, 816, 912, 969, 1292, 1938, 2584, 3876, 5168, 7752

Step-4: Factors of 15515

List of positive integer factors of 15515 that divides 15504 without a remainder.

1, 5, 29, 107, 145, 535, 3103

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15504 and 15515. The biggest common factor number is the GCF number.
So the greatest common factor 15504 and 15515 is 1.

Also check out the Least Common Multiple of 15504 and 15515