What is the Greatest Common Factor of 76391 and 76398?

Greatest common factor (GCF) of 76391 and 76398 is 7.

GCF(76391,76398) = 7

We will now calculate the prime factors of 76391 and 76398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 76391 and 76398.

How to find the GCF of 76391 and 76398?

We will first find the prime factorization of 76391 and 76398. After we will calculate the factors of 76391 and 76398 and find the biggest common factor number .

Step-1: Prime Factorization of 76391

Prime factors of 76391 are 7, 1559. Prime factorization of 76391 in exponential form is:

76391 = 7² × 1559¹

Step-2: Prime Factorization of 76398

Prime factors of 76398 are 2, 3, 7, 17, 107. Prime factorization of 76398 in exponential form is:

76398 = 2¹ × 3¹ × 7¹ × 17¹ × 107¹

Step-3: Factors of 76391

List of positive integer factors of 76391 that divides 76391 without a remainder.

1, 7, 49, 1559, 10913

Step-4: Factors of 76398

List of positive integer factors of 76398 that divides 76391 without a remainder.

1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 107, 119, 214, 238, 321, 357, 642, 714, 749, 1498, 1819, 2247, 3638, 4494, 5457, 10914, 12733, 25466, 38199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 76391 and 76398. The biggest common factor number is the GCF number.
So the greatest common factor 76391 and 76398 is 7.

Also check out the Least Common Multiple of 76391 and 76398