What is the Greatest Common Factor of 75530 and 75540?

Greatest common factor (GCF) of 75530 and 75540 is 10.

GCF(75530,75540) = 10

We will now calculate the prime factors of 75530 and 75540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75530 and 75540.

How to find the GCF of 75530 and 75540?

We will first find the prime factorization of 75530 and 75540. After we will calculate the factors of 75530 and 75540 and find the biggest common factor number .

Step-1: Prime Factorization of 75530

Prime factors of 75530 are 2, 5, 7, 13, 83. Prime factorization of 75530 in exponential form is:

75530 = 2¹ × 5¹ × 7¹ × 13¹ × 83¹

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 75530

List of positive integer factors of 75530 that divides 75530 without a remainder.

1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 83, 91, 130, 166, 182, 415, 455, 581, 830, 910, 1079, 1162, 2158, 2905, 5395, 5810, 7553, 10790, 15106, 37765

Step-4: Factors of 75540

List of positive integer factors of 75540 that divides 75530 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 75530 and 75540. The biggest common factor number is the GCF number.
So the greatest common factor 75530 and 75540 is 10.

Also check out the Least Common Multiple of 75530 and 75540