What is the Greatest Common Factor of 97890 and 97903?

Greatest common factor (GCF) of 97890 and 97903 is 13.

GCF(97890,97903) = 13

We will now calculate the prime factors of 97890 and 97903, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97890 and 97903.

How to find the GCF of 97890 and 97903?

We will first find the prime factorization of 97890 and 97903. After we will calculate the factors of 97890 and 97903 and find the biggest common factor number .

Step-1: Prime Factorization of 97890

Prime factors of 97890 are 2, 3, 5, 13, 251. Prime factorization of 97890 in exponential form is:

97890 = 2¹ × 3¹ × 5¹ × 13¹ × 251¹

Step-2: Prime Factorization of 97903

Prime factors of 97903 are 13, 17, 443. Prime factorization of 97903 in exponential form is:

97903 = 13¹ × 17¹ × 443¹

Step-3: Factors of 97890

List of positive integer factors of 97890 that divides 97890 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 251, 390, 502, 753, 1255, 1506, 2510, 3263, 3765, 6526, 7530, 9789, 16315, 19578, 32630, 48945

Step-4: Factors of 97903

List of positive integer factors of 97903 that divides 97890 without a remainder.

1, 13, 17, 221, 443, 5759, 7531

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97890 and 97903. The biggest common factor number is the GCF number.
So the greatest common factor 97890 and 97903 is 13.

Also check out the Least Common Multiple of 97890 and 97903