What is the Greatest Common Factor of 70315 and 70329?

Greatest common factor (GCF) of 70315 and 70329 is 7.

GCF(70315,70329) = 7

We will now calculate the prime factors of 70315 and 70329, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70315 and 70329.

How to find the GCF of 70315 and 70329?

We will first find the prime factorization of 70315 and 70329. After we will calculate the factors of 70315 and 70329 and find the biggest common factor number .

Step-1: Prime Factorization of 70315

Prime factors of 70315 are 5, 7, 41. Prime factorization of 70315 in exponential form is:

70315 = 5¹ × 7³ × 41¹

Step-2: Prime Factorization of 70329

Prime factors of 70329 are 3, 7, 17, 197. Prime factorization of 70329 in exponential form is:

70329 = 3¹ × 7¹ × 17¹ × 197¹

Step-3: Factors of 70315

List of positive integer factors of 70315 that divides 70315 without a remainder.

1, 5, 7, 35, 41, 49, 205, 245, 287, 343, 1435, 1715, 2009, 10045, 14063

Step-4: Factors of 70329

List of positive integer factors of 70329 that divides 70315 without a remainder.

1, 3, 7, 17, 21, 51, 119, 197, 357, 591, 1379, 3349, 4137, 10047, 23443

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70315 and 70329. The biggest common factor number is the GCF number.
So the greatest common factor 70315 and 70329 is 7.

Also check out the Least Common Multiple of 70315 and 70329