What is the Greatest Common Factor of 80995 and 81000?

Greatest common factor (GCF) of 80995 and 81000 is 5.

GCF(80995,81000) = 5

We will now calculate the prime factors of 80995 and 81000, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80995 and 81000.

How to find the GCF of 80995 and 81000?

We will first find the prime factorization of 80995 and 81000. After we will calculate the factors of 80995 and 81000 and find the biggest common factor number .

Step-1: Prime Factorization of 80995

Prime factors of 80995 are 5, 97, 167. Prime factorization of 80995 in exponential form is:

80995 = 5¹ × 97¹ × 167¹

Step-2: Prime Factorization of 81000

Prime factors of 81000 are 2, 3, 5. Prime factorization of 81000 in exponential form is:

81000 = 2³ × 3⁴ × 5³

Step-3: Factors of 80995

List of positive integer factors of 80995 that divides 80995 without a remainder.

1, 5, 97, 167, 485, 835, 16199

Step-4: Factors of 81000

List of positive integer factors of 81000 that divides 80995 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 250, 270, 300, 324, 360, 375, 405, 450, 500, 540, 600, 648, 675, 750, 810, 900, 1000, 1080, 1125, 1350, 1500, 1620, 1800, 2025, 2250, 2700, 3000, 3240, 3375, 4050, 4500, 5400, 6750, 8100, 9000, 10125, 13500, 16200, 20250, 27000, 40500

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80995 and 81000. The biggest common factor number is the GCF number.
So the greatest common factor 80995 and 81000 is 5.

Also check out the Least Common Multiple of 80995 and 81000