What is the Greatest Common Factor of 72045 and 72055?

Greatest common factor (GCF) of 72045 and 72055 is 5.

GCF(72045,72055) = 5

We will now calculate the prime factors of 72045 and 72055, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72045 and 72055.

How to find the GCF of 72045 and 72055?

We will first find the prime factorization of 72045 and 72055. After we will calculate the factors of 72045 and 72055 and find the biggest common factor number .

Step-1: Prime Factorization of 72045

Prime factors of 72045 are 3, 5, 1601. Prime factorization of 72045 in exponential form is:

72045 = 3² × 5¹ × 1601¹

Step-2: Prime Factorization of 72055

Prime factors of 72055 are 5, 14411. Prime factorization of 72055 in exponential form is:

72055 = 5¹ × 14411¹

Step-3: Factors of 72045

List of positive integer factors of 72045 that divides 72045 without a remainder.

1, 3, 5, 9, 15, 45, 1601, 4803, 8005, 14409, 24015

Step-4: Factors of 72055

List of positive integer factors of 72055 that divides 72045 without a remainder.

1, 5, 14411

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72045 and 72055. The biggest common factor number is the GCF number.
So the greatest common factor 72045 and 72055 is 5.

Also check out the Least Common Multiple of 72045 and 72055