What is the Greatest Common Factor of 70723 and 70728?

Greatest common factor (GCF) of 70723 and 70728 is 1.

GCF(70723,70728) = 1

We will now calculate the prime factors of 70723 and 70728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70723 and 70728.

How to find the GCF of 70723 and 70728?

We will first find the prime factorization of 70723 and 70728. After we will calculate the factors of 70723 and 70728 and find the biggest common factor number .

Step-1: Prime Factorization of 70723

Prime factors of 70723 are 197, 359. Prime factorization of 70723 in exponential form is:

70723 = 197¹ × 359¹

Step-2: Prime Factorization of 70728

Prime factors of 70728 are 2, 3, 7, 421. Prime factorization of 70728 in exponential form is:

70728 = 2³ × 3¹ × 7¹ × 421¹

Step-3: Factors of 70723

List of positive integer factors of 70723 that divides 70723 without a remainder.

1, 197, 359

Step-4: Factors of 70728

List of positive integer factors of 70728 that divides 70723 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 421, 842, 1263, 1684, 2526, 2947, 3368, 5052, 5894, 8841, 10104, 11788, 17682, 23576, 35364

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70723 and 70728. The biggest common factor number is the GCF number.
So the greatest common factor 70723 and 70728 is 1.

Also check out the Least Common Multiple of 70723 and 70728