What is the Greatest Common Factor of 79403 and 79420?

Greatest common factor (GCF) of 79403 and 79420 is 1.

GCF(79403,79420) = 1

We will now calculate the prime factors of 79403 and 79420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79403 and 79420.

How to find the GCF of 79403 and 79420?

We will first find the prime factorization of 79403 and 79420. After we will calculate the factors of 79403 and 79420 and find the biggest common factor number .

Step-1: Prime Factorization of 79403

Prime factors of 79403 are 271, 293. Prime factorization of 79403 in exponential form is:

79403 = 271¹ × 293¹

Step-2: Prime Factorization of 79420

Prime factors of 79420 are 2, 5, 11, 19. Prime factorization of 79420 in exponential form is:

79420 = 2² × 5¹ × 11¹ × 19²

Step-3: Factors of 79403

List of positive integer factors of 79403 that divides 79403 without a remainder.

1, 271, 293

Step-4: Factors of 79420

List of positive integer factors of 79420 that divides 79403 without a remainder.

1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 7220, 7942, 15884, 19855, 39710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79403 and 79420. The biggest common factor number is the GCF number.
So the greatest common factor 79403 and 79420 is 1.

Also check out the Least Common Multiple of 79403 and 79420