What is the Greatest Common Factor of 70485 and 70505?

Greatest common factor (GCF) of 70485 and 70505 is 5.

GCF(70485,70505) = 5

We will now calculate the prime factors of 70485 and 70505, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70485 and 70505.

How to find the GCF of 70485 and 70505?

We will first find the prime factorization of 70485 and 70505. After we will calculate the factors of 70485 and 70505 and find the biggest common factor number .

Step-1: Prime Factorization of 70485

Prime factors of 70485 are 3, 5, 37, 127. Prime factorization of 70485 in exponential form is:

70485 = 3¹ × 5¹ × 37¹ × 127¹

Step-2: Prime Factorization of 70505

Prime factors of 70505 are 5, 59, 239. Prime factorization of 70505 in exponential form is:

70505 = 5¹ × 59¹ × 239¹

Step-3: Factors of 70485

List of positive integer factors of 70485 that divides 70485 without a remainder.

1, 3, 5, 15, 37, 111, 127, 185, 381, 555, 635, 1905, 4699, 14097, 23495

Step-4: Factors of 70505

List of positive integer factors of 70505 that divides 70485 without a remainder.

1, 5, 59, 239, 295, 1195, 14101

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70485 and 70505. The biggest common factor number is the GCF number.
So the greatest common factor 70485 and 70505 is 5.

Also check out the Least Common Multiple of 70485 and 70505