What is the Greatest Common Factor of 83430 and 83445?

Greatest common factor (GCF) of 83430 and 83445 is 15.

GCF(83430,83445) = 15

We will now calculate the prime factors of 83430 and 83445, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83430 and 83445.

How to find the GCF of 83430 and 83445?

We will first find the prime factorization of 83430 and 83445. After we will calculate the factors of 83430 and 83445 and find the biggest common factor number .

Step-1: Prime Factorization of 83430

Prime factors of 83430 are 2, 3, 5, 103. Prime factorization of 83430 in exponential form is:

83430 = 2¹ × 3⁴ × 5¹ × 103¹

Step-2: Prime Factorization of 83445

Prime factors of 83445 are 3, 5, 5563. Prime factorization of 83445 in exponential form is:

83445 = 3¹ × 5¹ × 5563¹

Step-3: Factors of 83430

List of positive integer factors of 83430 that divides 83430 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 103, 135, 162, 206, 270, 309, 405, 515, 618, 810, 927, 1030, 1545, 1854, 2781, 3090, 4635, 5562, 8343, 9270, 13905, 16686, 27810, 41715

Step-4: Factors of 83445

List of positive integer factors of 83445 that divides 83430 without a remainder.

1, 3, 5, 15, 5563, 16689, 27815

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83430 and 83445. The biggest common factor number is the GCF number.
So the greatest common factor 83430 and 83445 is 15.

Also check out the Least Common Multiple of 83430 and 83445