What is the Greatest Common Factor of 69681 and 69690?

Greatest common factor (GCF) of 69681 and 69690 is 3.

GCF(69681,69690) = 3

We will now calculate the prime factors of 69681 and 69690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69681 and 69690.

How to find the GCF of 69681 and 69690?

We will first find the prime factorization of 69681 and 69690. After we will calculate the factors of 69681 and 69690 and find the biggest common factor number .

Step-1: Prime Factorization of 69681

Prime factors of 69681 are 3, 23227. Prime factorization of 69681 in exponential form is:

69681 = 3¹ × 23227¹

Step-2: Prime Factorization of 69690

Prime factors of 69690 are 2, 3, 5, 23, 101. Prime factorization of 69690 in exponential form is:

69690 = 2¹ × 3¹ × 5¹ × 23¹ × 101¹

Step-3: Factors of 69681

List of positive integer factors of 69681 that divides 69681 without a remainder.

1, 3, 23227

Step-4: Factors of 69690

List of positive integer factors of 69690 that divides 69681 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 101, 115, 138, 202, 230, 303, 345, 505, 606, 690, 1010, 1515, 2323, 3030, 4646, 6969, 11615, 13938, 23230, 34845

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69681 and 69690. The biggest common factor number is the GCF number.
So the greatest common factor 69681 and 69690 is 3.

Also check out the Least Common Multiple of 69681 and 69690