What is the Greatest Common Factor of 75520 and 75540?

Greatest common factor (GCF) of 75520 and 75540 is 20.

GCF(75520,75540) = 20

We will now calculate the prime factors of 75520 and 75540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75520 and 75540.

How to find the GCF of 75520 and 75540?

We will first find the prime factorization of 75520 and 75540. After we will calculate the factors of 75520 and 75540 and find the biggest common factor number .

Step-1: Prime Factorization of 75520

Prime factors of 75520 are 2, 5, 59. Prime factorization of 75520 in exponential form is:

75520 = 2⁸ × 5¹ × 59¹

Step-2: Prime Factorization of 75540

Prime factors of 75540 are 2, 3, 5, 1259. Prime factorization of 75540 in exponential form is:

75540 = 2² × 3¹ × 5¹ × 1259¹

Step-3: Factors of 75520

List of positive integer factors of 75520 that divides 75520 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1888, 2360, 3776, 4720, 7552, 9440, 15104, 18880, 37760

Step-4: Factors of 75540

List of positive integer factors of 75540 that divides 75520 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1259, 2518, 3777, 5036, 6295, 7554, 12590, 15108, 18885, 25180, 37770

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75520 and 75540. The biggest common factor number is the GCF number.
So the greatest common factor 75520 and 75540 is 20.

Also check out the Least Common Multiple of 75520 and 75540