What is the Greatest Common Factor of 68340 and 68357?

Greatest common factor (GCF) of 68340 and 68357 is 17.

GCF(68340,68357) = 17

We will now calculate the prime factors of 68340 and 68357, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68340 and 68357.

How to find the GCF of 68340 and 68357?

We will first find the prime factorization of 68340 and 68357. After we will calculate the factors of 68340 and 68357 and find the biggest common factor number .

Step-1: Prime Factorization of 68340

Prime factors of 68340 are 2, 3, 5, 17, 67. Prime factorization of 68340 in exponential form is:

68340 = 2² × 3¹ × 5¹ × 17¹ × 67¹

Step-2: Prime Factorization of 68357

Prime factors of 68357 are 17, 4021. Prime factorization of 68357 in exponential form is:

68357 = 17¹ × 4021¹

Step-3: Factors of 68340

List of positive integer factors of 68340 that divides 68340 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 67, 68, 85, 102, 134, 170, 201, 204, 255, 268, 335, 340, 402, 510, 670, 804, 1005, 1020, 1139, 1340, 2010, 2278, 3417, 4020, 4556, 5695, 6834, 11390, 13668, 17085, 22780, 34170

Step-4: Factors of 68357

List of positive integer factors of 68357 that divides 68340 without a remainder.

1, 17, 4021

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68340 and 68357. The biggest common factor number is the GCF number.
So the greatest common factor 68340 and 68357 is 17.

Also check out the Least Common Multiple of 68340 and 68357