What is the Greatest Common Factor of 72020 and 72030?

Greatest common factor (GCF) of 72020 and 72030 is 10.

GCF(72020,72030) = 10

We will now calculate the prime factors of 72020 and 72030, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72020 and 72030.

How to find the GCF of 72020 and 72030?

We will first find the prime factorization of 72020 and 72030. After we will calculate the factors of 72020 and 72030 and find the biggest common factor number .

Step-1: Prime Factorization of 72020

Prime factors of 72020 are 2, 5, 13, 277. Prime factorization of 72020 in exponential form is:

72020 = 2² × 5¹ × 13¹ × 277¹

Step-2: Prime Factorization of 72030

Prime factors of 72030 are 2, 3, 5, 7. Prime factorization of 72030 in exponential form is:

72030 = 2¹ × 3¹ × 5¹ × 7⁴

Step-3: Factors of 72020

List of positive integer factors of 72020 that divides 72020 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 7202, 14404, 18005, 36010

Step-4: Factors of 72030

List of positive integer factors of 72030 that divides 72020 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 2401, 3430, 4802, 5145, 7203, 10290, 12005, 14406, 24010, 36015

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72020 and 72030. The biggest common factor number is the GCF number.
So the greatest common factor 72020 and 72030 is 10.

Also check out the Least Common Multiple of 72020 and 72030