What is the Greatest Common Factor of 80155 and 80172?

Greatest common factor (GCF) of 80155 and 80172 is 17.

GCF(80155,80172) = 17

We will now calculate the prime factors of 80155 and 80172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80155 and 80172.

How to find the GCF of 80155 and 80172?

We will first find the prime factorization of 80155 and 80172. After we will calculate the factors of 80155 and 80172 and find the biggest common factor number .

Step-1: Prime Factorization of 80155

Prime factors of 80155 are 5, 17, 23, 41. Prime factorization of 80155 in exponential form is:

80155 = 5¹ × 17¹ × 23¹ × 41¹

Step-2: Prime Factorization of 80172

Prime factors of 80172 are 2, 3, 17, 131. Prime factorization of 80172 in exponential form is:

80172 = 2² × 3² × 17¹ × 131¹

Step-3: Factors of 80155

List of positive integer factors of 80155 that divides 80155 without a remainder.

1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3485, 4715, 16031

Step-4: Factors of 80172

List of positive integer factors of 80172 that divides 80155 without a remainder.

1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 262, 306, 393, 524, 612, 786, 1179, 1572, 2227, 2358, 4454, 4716, 6681, 8908, 13362, 20043, 26724, 40086

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80155 and 80172. The biggest common factor number is the GCF number.
So the greatest common factor 80155 and 80172 is 17.

Also check out the Least Common Multiple of 80155 and 80172