What is the Greatest Common Factor of 69138 and 69156?

Greatest common factor (GCF) of 69138 and 69156 is 18.

GCF(69138,69156) = 18

We will now calculate the prime factors of 69138 and 69156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69138 and 69156.

How to find the GCF of 69138 and 69156?

We will first find the prime factorization of 69138 and 69156. After we will calculate the factors of 69138 and 69156 and find the biggest common factor number .

Step-1: Prime Factorization of 69138

Prime factors of 69138 are 2, 3, 23, 167. Prime factorization of 69138 in exponential form is:

69138 = 2¹ × 3² × 23¹ × 167¹

Step-2: Prime Factorization of 69156

Prime factors of 69156 are 2, 3, 17, 113. Prime factorization of 69156 in exponential form is:

69156 = 2² × 3² × 17¹ × 113¹

Step-3: Factors of 69138

List of positive integer factors of 69138 that divides 69138 without a remainder.

1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 167, 207, 334, 414, 501, 1002, 1503, 3006, 3841, 7682, 11523, 23046, 34569

Step-4: Factors of 69156

List of positive integer factors of 69156 that divides 69138 without a remainder.

1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 113, 153, 204, 226, 306, 339, 452, 612, 678, 1017, 1356, 1921, 2034, 3842, 4068, 5763, 7684, 11526, 17289, 23052, 34578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69138 and 69156. The biggest common factor number is the GCF number.
So the greatest common factor 69138 and 69156 is 18.

Also check out the Least Common Multiple of 69138 and 69156