What is the Greatest Common Factor of 20026 and 20040?

Greatest common factor (GCF) of 20026 and 20040 is 2.

GCF(20026,20040) = 2

We will now calculate the prime factors of 20026 and 20040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20026 and 20040.

How to find the GCF of 20026 and 20040?

We will first find the prime factorization of 20026 and 20040. After we will calculate the factors of 20026 and 20040 and find the biggest common factor number .

Step-1: Prime Factorization of 20026

Prime factors of 20026 are 2, 17, 19, 31. Prime factorization of 20026 in exponential form is:

20026 = 2¹ × 17¹ × 19¹ × 31¹

Step-2: Prime Factorization of 20040

Prime factors of 20040 are 2, 3, 5, 167. Prime factorization of 20040 in exponential form is:

20040 = 2³ × 3¹ × 5¹ × 167¹

Step-3: Factors of 20026

List of positive integer factors of 20026 that divides 20026 without a remainder.

1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 1054, 1178, 10013

Step-4: Factors of 20040

List of positive integer factors of 20040 that divides 20026 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1336, 1670, 2004, 2505, 3340, 4008, 5010, 6680, 10020

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20026 and 20040. The biggest common factor number is the GCF number.
So the greatest common factor 20026 and 20040 is 2.

Also check out the Least Common Multiple of 20026 and 20040