What is the Greatest Common Factor of 7245 and 7257?

Greatest common factor (GCF) of 7245 and 7257 is 3.

GCF(7245,7257) = 3

We will now calculate the prime factors of 7245 and 7257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7245 and 7257.

How to find the GCF of 7245 and 7257?

We will first find the prime factorization of 7245 and 7257. After we will calculate the factors of 7245 and 7257 and find the biggest common factor number .

Step-1: Prime Factorization of 7245

Prime factors of 7245 are 3, 5, 7, 23. Prime factorization of 7245 in exponential form is:

7245 = 3² × 5¹ × 7¹ × 23¹

Step-2: Prime Factorization of 7257

Prime factors of 7257 are 3, 41, 59. Prime factorization of 7257 in exponential form is:

7257 = 3¹ × 41¹ × 59¹

Step-3: Factors of 7245

List of positive integer factors of 7245 that divides 7245 without a remainder.

1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415

Step-4: Factors of 7257

List of positive integer factors of 7257 that divides 7245 without a remainder.

1, 3, 41, 59, 123, 177, 2419

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7245 and 7257. The biggest common factor number is the GCF number.
So the greatest common factor 7245 and 7257 is 3.

Also check out the Least Common Multiple of 7245 and 7257