What is the Greatest Common Factor of 30155 and 30170?

Greatest common factor (GCF) of 30155 and 30170 is 5.

GCF(30155,30170) = 5

We will now calculate the prime factors of 30155 and 30170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30155 and 30170.

How to find the GCF of 30155 and 30170?

We will first find the prime factorization of 30155 and 30170. After we will calculate the factors of 30155 and 30170 and find the biggest common factor number .

Step-1: Prime Factorization of 30155

Prime factors of 30155 are 5, 37, 163. Prime factorization of 30155 in exponential form is:

30155 = 5¹ × 37¹ × 163¹

Step-2: Prime Factorization of 30170

Prime factors of 30170 are 2, 5, 7, 431. Prime factorization of 30170 in exponential form is:

30170 = 2¹ × 5¹ × 7¹ × 431¹

Step-3: Factors of 30155

List of positive integer factors of 30155 that divides 30155 without a remainder.

1, 5, 37, 163, 185, 815, 6031

Step-4: Factors of 30170

List of positive integer factors of 30170 that divides 30155 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 431, 862, 2155, 3017, 4310, 6034, 15085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30155 and 30170. The biggest common factor number is the GCF number.
So the greatest common factor 30155 and 30170 is 5.

Also check out the Least Common Multiple of 30155 and 30170