What is the Greatest Common Factor of 64003 and 64020?

Greatest common factor (GCF) of 64003 and 64020 is 1.

GCF(64003,64020) = 1

We will now calculate the prime factors of 64003 and 64020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64003 and 64020.

How to find the GCF of 64003 and 64020?

We will first find the prime factorization of 64003 and 64020. After we will calculate the factors of 64003 and 64020 and find the biggest common factor number .

Step-1: Prime Factorization of 64003

Prime factors of 64003 are 29, 2207. Prime factorization of 64003 in exponential form is:

64003 = 29¹ × 2207¹

Step-2: Prime Factorization of 64020

Prime factors of 64020 are 2, 3, 5, 11, 97. Prime factorization of 64020 in exponential form is:

64020 = 2² × 3¹ × 5¹ × 11¹ × 97¹

Step-3: Factors of 64003

List of positive integer factors of 64003 that divides 64003 without a remainder.

1, 29, 2207

Step-4: Factors of 64020

List of positive integer factors of 64020 that divides 64003 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 97, 110, 132, 165, 194, 220, 291, 330, 388, 485, 582, 660, 970, 1067, 1164, 1455, 1940, 2134, 2910, 3201, 4268, 5335, 5820, 6402, 10670, 12804, 16005, 21340, 32010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64003 and 64020. The biggest common factor number is the GCF number.
So the greatest common factor 64003 and 64020 is 1.

Also check out the Least Common Multiple of 64003 and 64020