What is the Greatest Common Factor of 85040 and 85045?

Greatest common factor (GCF) of 85040 and 85045 is 5.

GCF(85040,85045) = 5

We will now calculate the prime factors of 85040 and 85045, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85040 and 85045.

How to find the GCF of 85040 and 85045?

We will first find the prime factorization of 85040 and 85045. After we will calculate the factors of 85040 and 85045 and find the biggest common factor number .

Step-1: Prime Factorization of 85040

Prime factors of 85040 are 2, 5, 1063. Prime factorization of 85040 in exponential form is:

85040 = 2⁴ × 5¹ × 1063¹

Step-2: Prime Factorization of 85045

Prime factors of 85045 are 5, 73, 233. Prime factorization of 85045 in exponential form is:

85045 = 5¹ × 73¹ × 233¹

Step-3: Factors of 85040

List of positive integer factors of 85040 that divides 85040 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1063, 2126, 4252, 5315, 8504, 10630, 17008, 21260, 42520

Step-4: Factors of 85045

List of positive integer factors of 85045 that divides 85040 without a remainder.

1, 5, 73, 233, 365, 1165, 17009

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85040 and 85045. The biggest common factor number is the GCF number.
So the greatest common factor 85040 and 85045 is 5.

Also check out the Least Common Multiple of 85040 and 85045