What is the Greatest Common Factor of 20115 and 20132?

Greatest common factor (GCF) of 20115 and 20132 is 1.

GCF(20115,20132) = 1

We will now calculate the prime factors of 20115 and 20132, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20115 and 20132.

How to find the GCF of 20115 and 20132?

We will first find the prime factorization of 20115 and 20132. After we will calculate the factors of 20115 and 20132 and find the biggest common factor number .

Step-1: Prime Factorization of 20115

Prime factors of 20115 are 3, 5, 149. Prime factorization of 20115 in exponential form is:

20115 = 3³ × 5¹ × 149¹

Step-2: Prime Factorization of 20132

Prime factors of 20132 are 2, 7, 719. Prime factorization of 20132 in exponential form is:

20132 = 2² × 7¹ × 719¹

Step-3: Factors of 20115

List of positive integer factors of 20115 that divides 20115 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705

Step-4: Factors of 20132

List of positive integer factors of 20132 that divides 20115 without a remainder.

1, 2, 4, 7, 14, 28, 719, 1438, 2876, 5033, 10066

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20115 and 20132. The biggest common factor number is the GCF number.
So the greatest common factor 20115 and 20132 is 1.

Also check out the Least Common Multiple of 20115 and 20132