What is the Greatest Common Factor of 75415 and 75430?

Greatest common factor (GCF) of 75415 and 75430 is 5.

GCF(75415,75430) = 5

We will now calculate the prime factors of 75415 and 75430, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75415 and 75430.

How to find the GCF of 75415 and 75430?

We will first find the prime factorization of 75415 and 75430. After we will calculate the factors of 75415 and 75430 and find the biggest common factor number .

Step-1: Prime Factorization of 75415

Prime factors of 75415 are 5, 15083. Prime factorization of 75415 in exponential form is:

75415 = 5¹ × 15083¹

Step-2: Prime Factorization of 75430

Prime factors of 75430 are 2, 5, 19, 397. Prime factorization of 75430 in exponential form is:

75430 = 2¹ × 5¹ × 19¹ × 397¹

Step-3: Factors of 75415

List of positive integer factors of 75415 that divides 75415 without a remainder.

1, 5, 15083

Step-4: Factors of 75430

List of positive integer factors of 75430 that divides 75415 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 397, 794, 1985, 3970, 7543, 15086, 37715

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75415 and 75430. The biggest common factor number is the GCF number.
So the greatest common factor 75415 and 75430 is 5.

Also check out the Least Common Multiple of 75415 and 75430