What is the Greatest Common Factor of 64245 and 64260?

Greatest common factor (GCF) of 64245 and 64260 is 15.

GCF(64245,64260) = 15

We will now calculate the prime factors of 64245 and 64260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64245 and 64260.

How to find the GCF of 64245 and 64260?

We will first find the prime factorization of 64245 and 64260. After we will calculate the factors of 64245 and 64260 and find the biggest common factor number .

Step-1: Prime Factorization of 64245

Prime factors of 64245 are 3, 5, 4283. Prime factorization of 64245 in exponential form is:

64245 = 3¹ × 5¹ × 4283¹

Step-2: Prime Factorization of 64260

Prime factors of 64260 are 2, 3, 5, 7, 17. Prime factorization of 64260 in exponential form is:

64260 = 2² × 3³ × 5¹ × 7¹ × 17¹

Step-3: Factors of 64245

List of positive integer factors of 64245 that divides 64245 without a remainder.

1, 3, 5, 15, 4283, 12849, 21415

Step-4: Factors of 64260

List of positive integer factors of 64260 that divides 64245 without a remainder.

1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 340, 357, 378, 420, 459, 476, 510, 540, 595, 612, 630, 714, 756, 765, 918, 945, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1836, 1890, 2142, 2295, 2380, 3060, 3213, 3570, 3780, 4284, 4590, 5355, 6426, 7140, 9180, 10710, 12852, 16065, 21420, 32130

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64245 and 64260. The biggest common factor number is the GCF number.
So the greatest common factor 64245 and 64260 is 15.

Also check out the Least Common Multiple of 64245 and 64260