What is the Greatest Common Factor of 75720 and 75738?

Greatest common factor (GCF) of 75720 and 75738 is 6.

GCF(75720,75738) = 6

We will now calculate the prime factors of 75720 and 75738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75720 and 75738.

How to find the GCF of 75720 and 75738?

We will first find the prime factorization of 75720 and 75738. After we will calculate the factors of 75720 and 75738 and find the biggest common factor number .

Step-1: Prime Factorization of 75720

Prime factors of 75720 are 2, 3, 5, 631. Prime factorization of 75720 in exponential form is:

75720 = 2³ × 3¹ × 5¹ × 631¹

Step-2: Prime Factorization of 75738

Prime factors of 75738 are 2, 3, 13, 971. Prime factorization of 75738 in exponential form is:

75738 = 2¹ × 3¹ × 13¹ × 971¹

Step-3: Factors of 75720

List of positive integer factors of 75720 that divides 75720 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 631, 1262, 1893, 2524, 3155, 3786, 5048, 6310, 7572, 9465, 12620, 15144, 18930, 25240, 37860

Step-4: Factors of 75738

List of positive integer factors of 75738 that divides 75720 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 971, 1942, 2913, 5826, 12623, 25246, 37869

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75720 and 75738. The biggest common factor number is the GCF number.
So the greatest common factor 75720 and 75738 is 6.

Also check out the Least Common Multiple of 75720 and 75738