What is the Greatest Common Factor of 68805 and 68821?

Greatest common factor (GCF) of 68805 and 68821 is 1.

GCF(68805,68821) = 1

We will now calculate the prime factors of 68805 and 68821, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68805 and 68821.

How to find the GCF of 68805 and 68821?

We will first find the prime factorization of 68805 and 68821. After we will calculate the factors of 68805 and 68821 and find the biggest common factor number .

Step-1: Prime Factorization of 68805

Prime factors of 68805 are 3, 5, 11, 139. Prime factorization of 68805 in exponential form is:

68805 = 3² × 5¹ × 11¹ × 139¹

Step-2: Prime Factorization of 68821

Prime factors of 68821 are 68821. Prime factorization of 68821 in exponential form is:

68821 = 68821¹

Step-3: Factors of 68805

List of positive integer factors of 68805 that divides 68805 without a remainder.

1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 139, 165, 417, 495, 695, 1251, 1529, 2085, 4587, 6255, 7645, 13761, 22935

Step-4: Factors of 68821

List of positive integer factors of 68821 that divides 68805 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68805 and 68821. The biggest common factor number is the GCF number.
So the greatest common factor 68805 and 68821 is 1.

Also check out the Least Common Multiple of 68805 and 68821