What is the Greatest Common Factor of 15889 and 15904?

Greatest common factor (GCF) of 15889 and 15904 is 1.

GCF(15889,15904) = 1

We will now calculate the prime factors of 15889 and 15904, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15889 and 15904.

How to find the GCF of 15889 and 15904?

We will first find the prime factorization of 15889 and 15904. After we will calculate the factors of 15889 and 15904 and find the biggest common factor number .

Step-1: Prime Factorization of 15889

Prime factors of 15889 are 15889. Prime factorization of 15889 in exponential form is:

15889 = 15889¹

Step-2: Prime Factorization of 15904

Prime factors of 15904 are 2, 7, 71. Prime factorization of 15904 in exponential form is:

15904 = 2⁵ × 7¹ × 71¹

Step-3: Factors of 15889

List of positive integer factors of 15889 that divides 15889 without a remainder.

Step-4: Factors of 15904

List of positive integer factors of 15904 that divides 15889 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15889 and 15904. The biggest common factor number is the GCF number.
So the greatest common factor 15889 and 15904 is 1.

Also check out the Least Common Multiple of 15889 and 15904