What is the Greatest Common Factor of 69505 and 69509?

Greatest common factor (GCF) of 69505 and 69509 is 1.

GCF(69505,69509) = 1

We will now calculate the prime factors of 69505 and 69509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69505 and 69509.

How to find the GCF of 69505 and 69509?

We will first find the prime factorization of 69505 and 69509. After we will calculate the factors of 69505 and 69509 and find the biggest common factor number .

Step-1: Prime Factorization of 69505

Prime factors of 69505 are 5, 13901. Prime factorization of 69505 in exponential form is:

69505 = 5¹ × 13901¹

Step-2: Prime Factorization of 69509

Prime factors of 69509 are 11, 71, 89. Prime factorization of 69509 in exponential form is:

69509 = 11¹ × 71¹ × 89¹

Step-3: Factors of 69505

List of positive integer factors of 69505 that divides 69505 without a remainder.

1, 5, 13901

Step-4: Factors of 69509

List of positive integer factors of 69509 that divides 69505 without a remainder.

1, 11, 71, 89, 781, 979, 6319

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69505 and 69509. The biggest common factor number is the GCF number.
So the greatest common factor 69505 and 69509 is 1.

Also check out the Least Common Multiple of 69505 and 69509