What is the Greatest Common Factor of 65085 and 65100?

Greatest common factor (GCF) of 65085 and 65100 is 15.

GCF(65085,65100) = 15

We will now calculate the prime factors of 65085 and 65100, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65085 and 65100.

How to find the GCF of 65085 and 65100?

We will first find the prime factorization of 65085 and 65100. After we will calculate the factors of 65085 and 65100 and find the biggest common factor number .

Step-1: Prime Factorization of 65085

Prime factors of 65085 are 3, 5, 4339. Prime factorization of 65085 in exponential form is:

65085 = 3¹ × 5¹ × 4339¹

Step-2: Prime Factorization of 65100

Prime factors of 65100 are 2, 3, 5, 7, 31. Prime factorization of 65100 in exponential form is:

65100 = 2² × 3¹ × 5² × 7¹ × 31¹

Step-3: Factors of 65085

List of positive integer factors of 65085 that divides 65085 without a remainder.

1, 3, 5, 15, 4339, 13017, 21695

Step-4: Factors of 65100

List of positive integer factors of 65100 that divides 65085 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 1050, 1085, 1302, 1550, 1860, 2100, 2170, 2325, 2604, 3100, 3255, 4340, 4650, 5425, 6510, 9300, 10850, 13020, 16275, 21700, 32550

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65085 and 65100. The biggest common factor number is the GCF number.
So the greatest common factor 65085 and 65100 is 15.

Also check out the Least Common Multiple of 65085 and 65100