What is the Greatest Common Factor of 81708 and 81719?

Greatest common factor (GCF) of 81708 and 81719 is 11.

GCF(81708,81719) = 11

We will now calculate the prime factors of 81708 and 81719, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81708 and 81719.

How to find the GCF of 81708 and 81719?

We will first find the prime factorization of 81708 and 81719. After we will calculate the factors of 81708 and 81719 and find the biggest common factor number .

Step-1: Prime Factorization of 81708

Prime factors of 81708 are 2, 3, 11, 619. Prime factorization of 81708 in exponential form is:

81708 = 2² × 3¹ × 11¹ × 619¹

Step-2: Prime Factorization of 81719

Prime factors of 81719 are 11, 17, 19, 23. Prime factorization of 81719 in exponential form is:

81719 = 11¹ × 17¹ × 19¹ × 23¹

Step-3: Factors of 81708

List of positive integer factors of 81708 that divides 81708 without a remainder.

1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 619, 1238, 1857, 2476, 3714, 6809, 7428, 13618, 20427, 27236, 40854

Step-4: Factors of 81719

List of positive integer factors of 81719 that divides 81708 without a remainder.

1, 11, 17, 19, 23, 187, 209, 253, 323, 391, 437, 3553, 4301, 4807, 7429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81708 and 81719. The biggest common factor number is the GCF number.
So the greatest common factor 81708 and 81719 is 11.

Also check out the Least Common Multiple of 81708 and 81719