What is the Greatest Common Factor of 70530 and 70539?

Greatest common factor (GCF) of 70530 and 70539 is 3.

GCF(70530,70539) = 3

We will now calculate the prime factors of 70530 and 70539, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70530 and 70539.

How to find the GCF of 70530 and 70539?

We will first find the prime factorization of 70530 and 70539. After we will calculate the factors of 70530 and 70539 and find the biggest common factor number .

Step-1: Prime Factorization of 70530

Prime factors of 70530 are 2, 3, 5, 2351. Prime factorization of 70530 in exponential form is:

70530 = 2¹ × 3¹ × 5¹ × 2351¹

Step-2: Prime Factorization of 70539

Prime factors of 70539 are 3, 7, 3359. Prime factorization of 70539 in exponential form is:

70539 = 3¹ × 7¹ × 3359¹

Step-3: Factors of 70530

List of positive integer factors of 70530 that divides 70530 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2351, 4702, 7053, 11755, 14106, 23510, 35265

Step-4: Factors of 70539

List of positive integer factors of 70539 that divides 70530 without a remainder.

1, 3, 7, 21, 3359, 10077, 23513

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70530 and 70539. The biggest common factor number is the GCF number.
So the greatest common factor 70530 and 70539 is 3.

Also check out the Least Common Multiple of 70530 and 70539