What is the Greatest Common Factor of 68515 and 68535?

Greatest common factor (GCF) of 68515 and 68535 is 5.

GCF(68515,68535) = 5

We will now calculate the prime factors of 68515 and 68535, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68515 and 68535.

How to find the GCF of 68515 and 68535?

We will first find the prime factorization of 68515 and 68535. After we will calculate the factors of 68515 and 68535 and find the biggest common factor number .

Step-1: Prime Factorization of 68515

Prime factors of 68515 are 5, 71, 193. Prime factorization of 68515 in exponential form is:

68515 = 5¹ × 71¹ × 193¹

Step-2: Prime Factorization of 68535

Prime factors of 68535 are 3, 5, 1523. Prime factorization of 68535 in exponential form is:

68535 = 3² × 5¹ × 1523¹

Step-3: Factors of 68515

List of positive integer factors of 68515 that divides 68515 without a remainder.

1, 5, 71, 193, 355, 965, 13703

Step-4: Factors of 68535

List of positive integer factors of 68535 that divides 68515 without a remainder.

1, 3, 5, 9, 15, 45, 1523, 4569, 7615, 13707, 22845

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68515 and 68535. The biggest common factor number is the GCF number.
So the greatest common factor 68515 and 68535 is 5.

Also check out the Least Common Multiple of 68515 and 68535