What is the Greatest Common Factor of 97785 and 97803?

Greatest common factor (GCF) of 97785 and 97803 is 9.

GCF(97785,97803) = 9

We will now calculate the prime factors of 97785 and 97803, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97785 and 97803.

How to find the GCF of 97785 and 97803?

We will first find the prime factorization of 97785 and 97803. After we will calculate the factors of 97785 and 97803 and find the biggest common factor number .

Step-1: Prime Factorization of 97785

Prime factors of 97785 are 3, 5, 41, 53. Prime factorization of 97785 in exponential form is:

97785 = 3² × 5¹ × 41¹ × 53¹

Step-2: Prime Factorization of 97803

Prime factors of 97803 are 3, 10867. Prime factorization of 97803 in exponential form is:

97803 = 3² × 10867¹

Step-3: Factors of 97785

List of positive integer factors of 97785 that divides 97785 without a remainder.

1, 3, 5, 9, 15, 41, 45, 53, 123, 159, 205, 265, 369, 477, 615, 795, 1845, 2173, 2385, 6519, 10865, 19557, 32595

Step-4: Factors of 97803

List of positive integer factors of 97803 that divides 97785 without a remainder.

1, 3, 9, 10867, 32601

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97785 and 97803. The biggest common factor number is the GCF number.
So the greatest common factor 97785 and 97803 is 9.

Also check out the Least Common Multiple of 97785 and 97803