What is the Greatest Common Factor of 69621 and 69640?

Greatest common factor (GCF) of 69621 and 69640 is 1.

GCF(69621,69640) = 1

We will now calculate the prime factors of 69621 and 69640, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69621 and 69640.

How to find the GCF of 69621 and 69640?

We will first find the prime factorization of 69621 and 69640. After we will calculate the factors of 69621 and 69640 and find the biggest common factor number .

Step-1: Prime Factorization of 69621

Prime factors of 69621 are 3, 23, 1009. Prime factorization of 69621 in exponential form is:

69621 = 3¹ × 23¹ × 1009¹

Step-2: 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-3: Factors of 69621

List of positive integer factors of 69621 that divides 69621 without a remainder.

1, 3, 23, 69, 1009, 3027, 23207

Step-4: Factors of 69640

List of positive integer factors of 69640 that divides 69621 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69621 and 69640. The biggest common factor number is the GCF number.
So the greatest common factor 69621 and 69640 is 1.

Also check out the Least Common Multiple of 69621 and 69640