What is the Greatest Common Factor of 68530 and 68542?

Greatest common factor (GCF) of 68530 and 68542 is 2.

GCF(68530,68542) = 2

We will now calculate the prime factors of 68530 and 68542, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68530 and 68542.

How to find the GCF of 68530 and 68542?

We will first find the prime factorization of 68530 and 68542. After we will calculate the factors of 68530 and 68542 and find the biggest common factor number .

Step-1: Prime Factorization of 68530

Prime factors of 68530 are 2, 5, 7, 11, 89. Prime factorization of 68530 in exponential form is:

68530 = 2¹ × 5¹ × 7¹ × 11¹ × 89¹

Step-2: Prime Factorization of 68542

Prime factors of 68542 are 2, 43, 797. Prime factorization of 68542 in exponential form is:

68542 = 2¹ × 43¹ × 797¹

Step-3: Factors of 68530

List of positive integer factors of 68530 that divides 68530 without a remainder.

1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 154, 178, 385, 445, 623, 770, 890, 979, 1246, 1958, 3115, 4895, 6230, 6853, 9790, 13706, 34265

Step-4: Factors of 68542

List of positive integer factors of 68542 that divides 68530 without a remainder.

1, 2, 43, 86, 797, 1594, 34271

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68530 and 68542. The biggest common factor number is the GCF number.
So the greatest common factor 68530 and 68542 is 2.

Also check out the Least Common Multiple of 68530 and 68542