What is the Greatest Common Factor of 75909 and 75920?

Greatest common factor (GCF) of 75909 and 75920 is 1.

GCF(75909,75920) = 1

We will now calculate the prime factors of 75909 and 75920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75909 and 75920.

How to find the GCF of 75909 and 75920?

We will first find the prime factorization of 75909 and 75920. After we will calculate the factors of 75909 and 75920 and find the biggest common factor number .

Step-1: Prime Factorization of 75909

Prime factors of 75909 are 3, 25303. Prime factorization of 75909 in exponential form is:

75909 = 3¹ × 25303¹

Step-2: Prime Factorization of 75920

Prime factors of 75920 are 2, 5, 13, 73. Prime factorization of 75920 in exponential form is:

75920 = 2⁴ × 5¹ × 13¹ × 73¹

Step-3: Factors of 75909

List of positive integer factors of 75909 that divides 75909 without a remainder.

1, 3, 25303

Step-4: Factors of 75920

List of positive integer factors of 75920 that divides 75909 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 949, 1040, 1168, 1460, 1898, 2920, 3796, 4745, 5840, 7592, 9490, 15184, 18980, 37960

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75909 and 75920. The biggest common factor number is the GCF number.
So the greatest common factor 75909 and 75920 is 1.

Also check out the Least Common Multiple of 75909 and 75920