What is the Greatest Common Factor of 81698 and 81718?

Greatest common factor (GCF) of 81698 and 81718 is 2.

GCF(81698,81718) = 2

We will now calculate the prime factors of 81698 and 81718, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81698 and 81718.

How to find the GCF of 81698 and 81718?

We will first find the prime factorization of 81698 and 81718. After we will calculate the factors of 81698 and 81718 and find the biggest common factor number .

Step-1: Prime Factorization of 81698

Prime factors of 81698 are 2, 40849. Prime factorization of 81698 in exponential form is:

81698 = 2¹ × 40849¹

Step-2: Prime Factorization of 81718

Prime factors of 81718 are 2, 7, 13, 449. Prime factorization of 81718 in exponential form is:

81718 = 2¹ × 7¹ × 13¹ × 449¹

Step-3: Factors of 81698

List of positive integer factors of 81698 that divides 81698 without a remainder.

1, 2, 40849

Step-4: Factors of 81718

List of positive integer factors of 81718 that divides 81698 without a remainder.

1, 2, 7, 13, 14, 26, 91, 182, 449, 898, 3143, 5837, 6286, 11674, 40859

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81698 and 81718. The biggest common factor number is the GCF number.
So the greatest common factor 81698 and 81718 is 2.

Also check out the Least Common Multiple of 81698 and 81718