What is the Greatest Common Factor of 69640 and 69647?

Greatest common factor (GCF) of 69640 and 69647 is 1.

GCF(69640,69647) = 1

We will now calculate the prime factors of 69640 and 69647, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69640 and 69647.

How to find the GCF of 69640 and 69647?

We will first find the prime factorization of 69640 and 69647. After we will calculate the factors of 69640 and 69647 and find the biggest common factor number .

Step-1: Prime Factorization of 69640

Prime factors of 69640 are 2, 5, 1741. Prime factorization of 69640 in exponential form is:

69640 = 2³ × 5¹ × 1741¹

Step-2: Prime Factorization of 69647

Prime factors of 69647 are 257, 271. Prime factorization of 69647 in exponential form is:

69647 = 257¹ × 271¹

Step-3: Factors of 69640

List of positive integer factors of 69640 that divides 69640 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1741, 3482, 6964, 8705, 13928, 17410, 34820

Step-4: Factors of 69647

List of positive integer factors of 69647 that divides 69640 without a remainder.

1, 257, 271

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69640 and 69647. The biggest common factor number is the GCF number.
So the greatest common factor 69640 and 69647 is 1.

Also check out the Least Common Multiple of 69640 and 69647