What is the Greatest Common Factor of 69021 and 69030?

Greatest common factor (GCF) of 69021 and 69030 is 9.

GCF(69021,69030) = 9

We will now calculate the prime factors of 69021 and 69030, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69021 and 69030.

How to find the GCF of 69021 and 69030?

We will first find the prime factorization of 69021 and 69030. After we will calculate the factors of 69021 and 69030 and find the biggest common factor number .

Step-1: Prime Factorization of 69021

Prime factors of 69021 are 3, 7669. Prime factorization of 69021 in exponential form is:

69021 = 3² × 7669¹

Step-2: Prime Factorization of 69030

Prime factors of 69030 are 2, 3, 5, 13, 59. Prime factorization of 69030 in exponential form is:

69030 = 2¹ × 3² × 5¹ × 13¹ × 59¹

Step-3: Factors of 69021

List of positive integer factors of 69021 that divides 69021 without a remainder.

1, 3, 9, 7669, 23007

Step-4: Factors of 69030

List of positive integer factors of 69030 that divides 69021 without a remainder.

1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 59, 65, 78, 90, 117, 118, 130, 177, 195, 234, 295, 354, 390, 531, 585, 590, 767, 885, 1062, 1170, 1534, 1770, 2301, 2655, 3835, 4602, 5310, 6903, 7670, 11505, 13806, 23010, 34515

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69021 and 69030. The biggest common factor number is the GCF number.
So the greatest common factor 69021 and 69030 is 9.

Also check out the Least Common Multiple of 69021 and 69030