What is the Greatest Common Factor of 20046 and 20065?

Greatest common factor (GCF) of 20046 and 20065 is 1.

GCF(20046,20065) = 1

We will now calculate the prime factors of 20046 and 20065, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20046 and 20065.

How to find the GCF of 20046 and 20065?

We will first find the prime factorization of 20046 and 20065. After we will calculate the factors of 20046 and 20065 and find the biggest common factor number .

Step-1: Prime Factorization of 20046

Prime factors of 20046 are 2, 3, 13, 257. Prime factorization of 20046 in exponential form is:

20046 = 2¹ × 3¹ × 13¹ × 257¹

Step-2: Prime Factorization of 20065

Prime factors of 20065 are 5, 4013. Prime factorization of 20065 in exponential form is:

20065 = 5¹ × 4013¹

Step-3: Factors of 20046

List of positive integer factors of 20046 that divides 20046 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 1542, 3341, 6682, 10023

Step-4: Factors of 20065

List of positive integer factors of 20065 that divides 20046 without a remainder.

1, 5, 4013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20046 and 20065. The biggest common factor number is the GCF number.
So the greatest common factor 20046 and 20065 is 1.

Also check out the Least Common Multiple of 20046 and 20065