What is the Greatest Common Factor of 70730 and 70745?

Greatest common factor (GCF) of 70730 and 70745 is 5.

GCF(70730,70745) = 5

We will now calculate the prime factors of 70730 and 70745, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70730 and 70745.

How to find the GCF of 70730 and 70745?

We will first find the prime factorization of 70730 and 70745. After we will calculate the factors of 70730 and 70745 and find the biggest common factor number .

Step-1: Prime Factorization of 70730

Prime factors of 70730 are 2, 5, 11, 643. Prime factorization of 70730 in exponential form is:

70730 = 2¹ × 5¹ × 11¹ × 643¹

Step-2: Prime Factorization of 70745

Prime factors of 70745 are 5, 14149. Prime factorization of 70745 in exponential form is:

70745 = 5¹ × 14149¹

Step-3: Factors of 70730

List of positive integer factors of 70730 that divides 70730 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 643, 1286, 3215, 6430, 7073, 14146, 35365

Step-4: Factors of 70745

List of positive integer factors of 70745 that divides 70730 without a remainder.

1, 5, 14149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70730 and 70745. The biggest common factor number is the GCF number.
So the greatest common factor 70730 and 70745 is 5.

Also check out the Least Common Multiple of 70730 and 70745