What is the Greatest Common Factor of 75390 and 75397?

Greatest common factor (GCF) of 75390 and 75397 is 7.

GCF(75390,75397) = 7

We will now calculate the prime factors of 75390 and 75397, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75390 and 75397.

How to find the GCF of 75390 and 75397?

We will first find the prime factorization of 75390 and 75397. After we will calculate the factors of 75390 and 75397 and find the biggest common factor number .

Step-1: Prime Factorization of 75390

Prime factors of 75390 are 2, 3, 5, 7, 359. Prime factorization of 75390 in exponential form is:

75390 = 2¹ × 3¹ × 5¹ × 7¹ × 359¹

Step-2: Prime Factorization of 75397

Prime factors of 75397 are 7, 10771. Prime factorization of 75397 in exponential form is:

75397 = 7¹ × 10771¹

Step-3: Factors of 75390

List of positive integer factors of 75390 that divides 75390 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 359, 718, 1077, 1795, 2154, 2513, 3590, 5026, 5385, 7539, 10770, 12565, 15078, 25130, 37695

Step-4: Factors of 75397

List of positive integer factors of 75397 that divides 75390 without a remainder.

1, 7, 10771

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75390 and 75397. The biggest common factor number is the GCF number.
So the greatest common factor 75390 and 75397 is 7.

Also check out the Least Common Multiple of 75390 and 75397