What is the Greatest Common Factor of 12040 and 12045?

Greatest common factor (GCF) of 12040 and 12045 is 5.

GCF(12040,12045) = 5

We will now calculate the prime factors of 12040 and 12045, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12040 and 12045.

How to find the GCF of 12040 and 12045?

We will first find the prime factorization of 12040 and 12045. After we will calculate the factors of 12040 and 12045 and find the biggest common factor number .

Step-1: Prime Factorization of 12040

Prime factors of 12040 are 2, 5, 7, 43. Prime factorization of 12040 in exponential form is:

12040 = 2³ × 5¹ × 7¹ × 43¹

Step-2: Prime Factorization of 12045

Prime factors of 12045 are 3, 5, 11, 73. Prime factorization of 12045 in exponential form is:

12045 = 3¹ × 5¹ × 11¹ × 73¹

Step-3: Factors of 12040

List of positive integer factors of 12040 that divides 12040 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020

Step-4: Factors of 12045

List of positive integer factors of 12045 that divides 12040 without a remainder.

1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 2409, 4015

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12040 and 12045. The biggest common factor number is the GCF number.
So the greatest common factor 12040 and 12045 is 5.

Also check out the Least Common Multiple of 12040 and 12045